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is a Japanese dish of prepared , usually with some sugar and salt, accompanied by a variety of , such as seafood — often raw — and vegetables. Styles of sushi and its presentation vary widely, but the one key ingredient is "sushi rice", also referred to as , or . The creator of modern sushi is believed to be
Hanaya Yohei Hanaya Yohei (華屋 与兵衛 or 花屋 與兵衛; 1799–1858) was a Japanese restaurateur and chef who is generally credited as the inventor of Tokyo-style ('' Edomae-zushi''; 江戸前寿司) ''nigiri'' sushi at the end of the Edo period. ...
, who invented nigiri-zushi, a type of sushi most known today, in which seafood is placed on hand-pressed vinegared rice, around 1824 in the
Edo period The or is the period between 1603 and 1867 in the history of Japan, when Japan was under the rule of the Tokugawa shogunate and the country's 300 regional '' daimyo''. Emerging from the chaos of the Sengoku period, the Edo period was characteriz ...
(1603–1867). It was the fast food of the ''
chōnin was a social class that emerged in Japan during the early years of the Tokugawa period. In the social hierarchy, it was considered subordinate to the samurai warrior class. Social Class The ''chōnin'' emerged in ''joka-machi'' or castle ...
'' class in the Edo period. Sushi is traditionally made with medium-grain white rice, though it can be prepared with brown rice or short-grain rice. It is very often prepared with seafood, such as
squid True squid are molluscs with an elongated soft body, large eyes, eight arms, and two tentacles in the superorder Decapodiformes, though many other molluscs within the broader Neocoleoidea are also called squid despite not strictly fitting t ...
,
eel Eels are ray-finned fish belonging to the order Anguilliformes (), which consists of eight suborders, 19 families, 111 genera, and about 800 species. Eels undergo considerable development from the early larval stage to the eventual adult stage ...
, yellowtail,
salmon Salmon () is the common name for several list of commercially important fish species, commercially important species of euryhaline ray-finned fish from the family (biology), family Salmonidae, which are native to tributary, tributaries of the ...
,
tuna A tuna is a saltwater fish that belongs to the tribe Thunnini, a subgrouping of the Scombridae (mackerel) family. The Thunnini comprise 15 species across five genera, the sizes of which vary greatly, ranging from the bullet tuna (max length: ...
or
imitation crab meat Crab sticks, krab sticks, imitation crab (meat), or seafood sticks (originally known as ''kanikama'' in Japan) are a type of seafood made of starch and finely pulverized white fish (''surimi'') that has been shaped and cured to resemble the leg ...
. Many types of sushi are vegetarian. It is often served with ,
wasabi Wasabi (Japanese: , , or , ; ''Eutrema japonicum'' or ''Wasabia japonica'') or Japanese horseradish is a plant of the family Brassicaceae, which also includes horseradish and mustard in other genera. The plant is native to Japan and the Russian ...
, and
soy sauce Soy sauce (also called simply soy in American English and soya sauce in British English) is a liquid condiment of Chinese origin, traditionally made from a fermented paste of soybeans, roasted grain, brine, and '' Aspergillus oryzae'' or ''Asp ...
.
Daikon radish Daikon or mooli, ''Raphanus sativus'' var. ''longipinnatus,'' is a mild-flavored winter radish usually characterized by fast-growing leaves and a long, white, root. Originally native to continental East Asia, daikon is harvested and consumed ...
or are popular garnishes for the dish. Sushi is sometimes confused with
sashimi is a Japanese delicacy consisting of fresh raw fish or meat sliced into thin pieces and often eaten with soy sauce. Origin The word ''sashimi'' means "pierced body", i.e. "刺身" = ''sashimi'', where 刺 し = ''sashi'' (pierced, stuck) ...
, a dish that consists of thinly sliced raw fish or occasionally meat, without sushi rice.


History


''Narezushi''

A dish known as , stored in fermented rice for possibly months at a time, has been cited as one of the early influences for the Japanese practice of applying rice on raw fish. The fish was fermented with rice vinegar, salt, and rice, after which the rice was discarded. is also called , meaning "fully fermented," as opposed to , meaning "partially fermented", a type of sushi that appeared in the
Muromachi period The is a division of Japanese history running from approximately 1336 to 1573. The period marks the governance of the Muromachi or Ashikaga shogunate (''Muromachi bakufu'' or ''Ashikaga bakufu''), which was officially established in 1338 by t ...
. Fermented fish using rice, such as , possibly originated in
Southeast Asia Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical United Nations geoscheme for Asia#South-eastern Asia, south-eastern region of Asia, consistin ...
where it was made to preserve
freshwater fish Freshwater fish are those that spend some or all of their lives in fresh water, such as rivers and lakes, with a salinity of less than 1.05%. These environments differ from marine conditions in many ways, especially the difference in levels of s ...
, possibly in the
Mekong River The Mekong or Mekong River is a trans-boundary river in East Asia and Southeast Asia. It is the world's twelfth longest river and the third longest in Asia. Its estimated length is , and it drains an area of , discharging of water annuall ...
basin, which is now
Laos Laos (, ''Lāo'' )), officially the Lao People's Democratic Republic ( Lao: ສາທາລະນະລັດ ປະຊາທິປະໄຕ ປະຊາຊົນລາວ, French: République démocratique populaire lao), is a socialist ...
,
Cambodia Cambodia (; also Kampuchea ; km, កម្ពុជា, UNGEGN: ), officially the Kingdom of Cambodia, is a country located in the southern portion of the Indochinese Peninsula in Southeast Asia, spanning an area of , bordered by Thailand t ...
, and
Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is bo ...
, and in the
Irrawaddy River The Irrawaddy River ( Ayeyarwady River; , , from Indic ''revatī'', meaning "abounding in riches") is a river that flows from north to south through Myanmar (Burma). It is the country's largest river and most important commercial waterway. Origi ...
basin, which is now
Myanmar Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John C. Wells, Joh ...
. The first mention of a -like food is in a Chinese dictionary thought to be from the 4th Century, in this instance referring to salted fish that had been placed in cooked or steamed rice, which caused it to undergo a fermentation process via
lactic acid Lactic acid is an organic acid. It has a molecular formula . It is white in the solid state and it is miscible with water. When in the dissolved state, it forms a colorless solution. Production includes both artificial synthesis as well as natu ...
. Fermentation methods following similar logic in other Asian rice cultures include , , and of the
Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
; ''
pekasam Pekasam, Pakasam or Bekasam is a Malay term for fermented food, more precisely fermented fish product. In Malay and Banjar cookery, pekasam usually refers to freshwater fish fermented with salt, palm sugar, toasted rice grains and pieces of '' a ...
'' of
Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...
and
Malaysia Malaysia ( ; ) is a country in Southeast Asia. The federation, federal constitutional monarchy consists of States and federal territories of Malaysia, thirteen states and three federal territories, separated by the South China Sea into two r ...
, () of
Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is bo ...
; and ''
sikhae ''Sikhae'' () is a salted fermented food in Korean cuisine prepared with fish and grains. ''Sikhae'' is made in the east coast regions of Korea, namely Gwanbuk, Gwandong, and Yeongnam. Ingredients and preparation Righteye flounders are typical ...
'' () of
Korea Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...
. The
lacto-fermentation Lactic acid fermentation is a metabolic process by which glucose or other six-carbon sugars (also, disaccharides of six-carbon sugars, e.g. sucrose or lactose) are converted into cellular energy and the metabolite lactate, which is lactic aci ...
of the rice prevents the fish from spoiling. When wet-field rice cultivation was introduced during the
Yayoi period The started at the beginning of the Neolithic in Japan, continued through the Bronze Age, and towards its end crossed into the Iron Age. Since the 1980s, scholars have argued that a period previously classified as a transition from the Jōmon p ...
, lakes and rivers would flood during the rainy season, and fish would get caught in the rice paddy fields. Pickling was a way to preserve the excess fish and guarantee food for the following months, and became an important source of protein for Japanese consumers. The term ''sushi'' literally means "sour-tasting", as the overall dish has a sour and umami or savory taste. The term comes from an antiquated terminal-form conjugation, no longer used in other contexts, of the adjectival verb , resulting in the term . still exists as a regional specialty, notably as from Shiga Prefecture. In the of 718, the characters for "鮨" and "鮓" are written as a tribute to the Japanese imperial court, and although there are various theories as to what exactly this food was, it is possible that it referred to .


''Namanare''

Until the early 19th century sushi slowly changed and the Japanese cuisine changed as well. The Japanese started eating three meals a day, rice was boiled instead of steamed, and of large importance was the development of rice vinegar. During the
Muromachi period The is a division of Japanese history running from approximately 1336 to 1573. The period marks the governance of the Muromachi or Ashikaga shogunate (''Muromachi bakufu'' or ''Ashikaga bakufu''), which was officially established in 1338 by t ...
(1336–1573), the Japanese invented a style of sushi called or (), which means "partially fermented". The fermentation period of was shorter than that of the earlier , and the rice used for fermentation was also eaten with the fish. In other words, with the invention of , sushi changed from a preserved fish food to a food where fish and rice are eaten together. After the appearance of ,
sake Sake, also spelled saké ( ; also referred to as Japanese rice wine), is an alcoholic beverage of Japanese origin made by fermenting rice that has been polished to remove the bran. Despite the name ''Japanese rice wine'', sake, and indee ...
and sake lees were used to shorten fermentation, and vinegar was used in the
Edo period The or is the period between 1603 and 1867 in the history of Japan, when Japan was under the rule of the Tokugawa shogunate and the country's 300 regional '' daimyo''. Emerging from the chaos of the Sengoku period, the Edo period was characteriz ...
.


''Hayazushi''

During the
Edo period The or is the period between 1603 and 1867 in the history of Japan, when Japan was under the rule of the Tokugawa shogunate and the country's 300 regional '' daimyo''. Emerging from the chaos of the Sengoku period, the Edo period was characteriz ...
(1603–1867), a third type of sushi, , was developed. differed from earlier sushi in that instead of lactic fermentation of rice, vinegar, a fermented food, was mixed with rice to give it a sour taste so that it could be eaten at the same time as the fish. Previously, sushi had evolved with a focus on shortening the fermentation period, but with the invention of , which is simply mixed with vinegar, the fermentation process was eliminated and sushi became a fast food. Many types of sushi known in the world today, such as , , , and , were invented during this period, and they are a type of . Each region utilizes local flavors to produce a variety of sushi that has been passed down for many generations. A 1689 cookbook describes , and a 1728 cookbook describes pouring vinegar over (square sushi made by filling a wooden frame with rice).


''Nigirizushi''

Today's style of , consisting of an oblong mound of rice with a slice of fish draped over it, became popular in
Edo Edo ( ja, , , "bay-entrance" or "estuary"), also romanized as Jedo, Yedo or Yeddo, is the former name of Tokyo. Edo, formerly a ''jōkamachi'' (castle town) centered on Edo Castle located in Musashi Province, became the ''de facto'' capital of ...
(contemporary Tokyo) in the 1820s or 1830s. One common story of the origin of origins is of the chef
Hanaya Yohei Hanaya Yohei (華屋 与兵衛 or 花屋 與兵衛; 1799–1858) was a Japanese restaurateur and chef who is generally credited as the inventor of Tokyo-style ('' Edomae-zushi''; 江戸前寿司) ''nigiri'' sushi at the end of the Edo period. ...
(1799–1858), who invented or perfected the technique in 1824 at his shop in
Ryōgoku is a district in Sumida, Tokyo. It is surrounded by various districts in Sumida, Chūō, and Taitō wards: Yokoami, Midori, Chitose, Higashi Nihonbashi, and Yanagibashi. In 1659, the Ryōgoku Bridge was built, spanning the Sumida River just ...
. The of this period was somewhat different from modern . The sushi rice of this period was about three times the size of today's . The amount of vinegar used was half that of today's sushi, and the type of vinegar developed during this period, called , was made by fermenting sake lees. They also used slightly more salt than in modern times instead of sugar. Seafood served over rice was prepared in a variety of ways. This red vinegar was developed by Nakano Matazaemon (中野 又佐衛門), who is the founder of
Mizkan is a Japanese company that produces vinegars (including seasoned rice vinegars, balsamic vinegars, and wine vinegars), mustards, salad dressings, authentic East Asian sauces, nattō, and other food products. It is based in Handa, Aichi Pre ...
, a company that still develops and sells vinegar and other seasonings today. The dish was originally termed as it used freshly caught fish from the (Edo or
Tokyo Bay is a bay located in the southern Kantō region of Japan, and spans the coasts of Tokyo, Kanagawa Prefecture, and Chiba Prefecture. Tokyo Bay is connected to the Pacific Ocean by the Uraga Channel. The Tokyo Bay region is both the most populous a ...
); the term is still used today as a by-word for quality sushi, regardless of its ingredients' origins.


Sushi in English

The earliest written mention of ''sushi'' in English described in the ''
Oxford English Dictionary The ''Oxford English Dictionary'' (''OED'') is the first and foundational historical dictionary of the English language, published by Oxford University Press (OUP). It traces the historical development of the English language, providing a com ...
'' is in an 1893 book, ''A Japanese Interior'', where it mentions sushi as "a roll of cold rice with fish, sea-weed, or some other flavoring". There is an earlier mention of sushi in James Hepburn's Japanese–English dictionary from 1873, and an 1879 article on Japanese cookery in the journal ''
Notes and Queries ''Notes and Queries'', also styled ''Notes & Queries'', is a long-running quarterly scholarly journal that publishes short articles related to " English language and literature, lexicography, history, and scholarly antiquarianism".From the inne ...
''.


Types

The common ingredient in all types of sushi is vinegared sushi rice. Fillings, toppings, condiments, and preparation vary widely. Due to consonant mutation, ''sushi'' is pronounced with instead of when a prefix is attached, as in .


serves the rice in a bowl and tops it with a variety of raw fish and vegetable garnishes. It is popular because it is filling, fast, and easy to make. It is eaten annually on in March and in May. * (
Edo Edo ( ja, , , "bay-entrance" or "estuary"), also romanized as Jedo, Yedo or Yeddo, is the former name of Tokyo. Edo, formerly a ''jōkamachi'' (castle town) centered on Edo Castle located in Musashi Province, became the ''de facto'' capital of ...
-style scattered sushi) is served with uncooked ingredients in an artful arrangement. * (Kansai-style sushi) consists of cooked or uncooked ingredients mixed in the body of rice. * (Kyushu-style sushi) uses rice wine over vinegar in preparing the rice and is topped with shrimp, sea bream, octopus, shiitake mushrooms, bamboo shoots, and shredded omelette.


is a pouch of fried tofu typically filled with sushi rice alone. According to Shinto lore, is named after the god
Inari Inari may refer to: Shinto * Inari Ōkami, a Shinto spirit ** Mount Inari in Japan, site of Fushimi Inari-taisha, the main Shinto shrine to Inari ** Inari Shrine, shrines to the Shinto god Inari * Inari-zushi, a type of sushi Places * Inari, ...
. Foxes, messengers of Inari, are believed to have a fondness for fried tofu, and an roll has pointed corners that resemble fox ears. Regional variations include pouches made of a thin omelette (, , or , ) instead of tofu. It should not be confused with , a roll filled with flavored fried tofu. Cone sushi is a variant of originating in
Hawaii Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only stat ...
that may include
green bean Green beans are young, unripe fruits of various cultivars of the common bean ('' Phaseolus vulgaris''), although immature or young pods of the runner bean (''Phaseolus coccineus''), yardlong bean ( ''Vigna unguiculata'' subsp. ''sesquipedalis ...
s,
carrot The carrot ('' Daucus carota'' subsp. ''sativus'') is a root vegetable, typically orange in color, though purple, black, red, white, and yellow cultivars exist, all of which are domesticated forms of the wild carrot, ''Daucus carota'', nat ...
s, gobo, or poke along with rice, wrapped in a triangular piece. It is often sold in (Japanese
delis Traditionally, a delicatessen or deli is a retail establishment that sells a selection of fine, exotic, or foreign prepared foods. Delicatessen originated in Germany (original: ) during the 18th century and spread to the United States in the m ...
) and as a component of bento boxes.


, or is a cylindrical piece formed with the help of a mat known as a . is generally wrapped in nori (seaweed) but is occasionally wrapped in a thin omelette, soy paper, cucumber, or (perilla) leaves. is often cut into six or eight pieces, constituting a single roll order. Short-grain white rice is usually used, although short-grain brown rice, like
olive oil Olive oil is a liquid fat obtained from olives (the fruit of ''Olea europaea''; family Oleaceae), a traditional tree crop of the Mediterranean Basin, produced by pressing whole olives and extracting the oil. It is commonly used in cooking: f ...
on nori, is now becoming more widespread among the health-conscious. Rarely, sweet rice is mixed in rice. Nowadays, the rice in can be many kinds of black rice, boiled rice, and cereals. Besides the common ingredients listed above, some varieties may include cheese, spicy cooked
squid True squid are molluscs with an elongated soft body, large eyes, eight arms, and two tentacles in the superorder Decapodiformes, though many other molluscs within the broader Neocoleoidea are also called squid despite not strictly fitting t ...
, , ,
lunch meat Lunch meats—also known as cold cuts, luncheon meats, cooked meats, sliced meats, cold meats, sandwich meats, and deli meats—are precooked or cured meats that are sliced and served cold or hot. They are typically served in sandwiches or on ...
, sausage, bacon or spicy
tuna A tuna is a saltwater fish that belongs to the tribe Thunnini, a subgrouping of the Scombridae (mackerel) family. The Thunnini comprise 15 species across five genera, the sizes of which vary greatly, ranging from the bullet tuna (max length: ...
. The nori may be brushed with sesame oil or sprinkled with sesame seeds. In a variation, sliced pieces of may be lightly fried with egg coating. Below are some common types of , but many other kinds exist. * is a large, cylindrical style of sushi, usually with nori on the outside. A typical is in diameter. They are often made with two, three, or more fillings that are chosen for their complementary tastes and colors. are often vegetarian, and may use strips of cucumber, gourd, ( bamboo shoots), or lotus root. Strips of omelette, tiny fish roe, chopped tuna, and whitefish flakes are typical non-vegetarian fillings. Traditionally, the vinegared rice is lightly seasoned with salt and sugar. Popular proteins are fish cakes, imitation crab meat, egg, tuna, or shrimp. Vegetables usually include cucumber, lettuce, and . * is is rolled out by a thin egg. * or is a fried version of the dish. * During the evening of the festival of , it is traditional in the Kansai region to eat a particular kind of in its uncut cylindrical form, called . By 2000 the custom had spread to all of Japan. is roll composed of seven ingredients considered to be lucky. The typical ingredients include , egg, eel, and ''
shiitake The shiitake (alternate form shitake) (; ''Lentinula edodes'') is an edible mushroom native to East Asia, which is now cultivated and consumed around the globe. It is considered a medicinal mushroom in some forms of traditional medicine. Ta ...
''. often include other ingredients too. People usually eat the while facing the direction considered to be auspicious that year. * is a type of small cylindrical sushi with nori on the outside. A typical has a diameter of about . They generally contain only one filling, often tuna, cucumber, , , paste, and squid with (Japanese herb). ** '' Kappamaki'' (河童巻) is a kind of filled with cucumber. It is named after the Japanese legendary water imp, fond of cucumbers, called the . Traditionally, is consumed to clear the palate between eating raw fish and other kinds of food so that the flavors of the fish are distinct from the tastes of other foods. ** is a kind of filled with raw tuna. Although it is believed that the word , meaning "red hot iron", alludes to the color of the tuna flesh or salmon flesh, it actually originated as a quick snack to eat in gambling dens called , much like the origins of the
sandwich A sandwich is a food typically consisting of vegetables, sliced cheese or meat, placed on or between slices of bread, or more generally any dish wherein bread serves as a container or wrapper for another food type. The sandwich began as a po ...
. ** is a kind of filled with
negitoro ''Negitoro'' () is a Japanese cuisine of minced raw tuna scrape, the fatty parts of the fish that cannot be made into other meals, commonly served together with green onion. In addition to being an ingredient to sushi of various types, they are al ...
, aka scallion () and chopped tuna (). Fatty tuna is often used in this style. ** is a kind of filled with canned tuna tossed with
mayonnaise Mayonnaise (; ), colloquially referred to as "mayo" , is a thick, cold, and creamy sauce or dressing commonly used on sandwiches, hamburgers, composed salads, and French fries. It also forms the base for various other sauces, such as tartar ...
. * is a large cone-shaped style of sushi with nori on the outside and the ingredients spilling out the wide end. A typical is about long and is eaten with the fingers because it is too awkward to pick it up with
chopsticks Chopsticks ( or ; Pinyin: ''kuaizi'' or ''zhu'') are shaped pairs of equal-length sticks of China, Chinese origin that have been used as Kitchen utensil, kitchen and List of eating utensils, eating utensils in most of East Asia, East and Southe ...
. For optimal taste and texture, must be eaten quickly after being made because the nori cone soon absorbs moisture from the filling and loses its crispness, making it somewhat difficult to bite through. For this reason, the nori in pre-made or take-out temaki is sealed in plastic film, which is removed immediately before eating. File:Makizushi.jpg, topped with File:Roll maki.jpg, in preparation File:Futomaki zushi in 201902.jpg, File:8hosomak8.jpg, File:納豆まき.jpg, File:Kaiten-zushi 005.jpg, File:Eho-maki_by_zenjiro.jpg,


Modern

is a traditional form of fermented sushi. Skinned and gutted fish are stuffed with salt, placed in a wooden barrel, doused with salt again, then weighed down with a heavy (pickling stone). As days pass, water seeps out and is removed. After six months, this sushi can be eaten, remaining edible for another six months or more. The most famous variety of are the ones offered as a specialty dish of Shiga Prefecture, particularly the made from fish of the crucian carp genus, the authentic version of which calls for the use of , a particular locally differentiated variety of wild goldfish
endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...
to Lake Biwa.


consists of an oblong mound of sushi rice that a chef typically presses between the palms of the hands to form an oval-shaped ball and a topping (the ) draped over the ball. It is usually served with a bit of
wasabi Wasabi (Japanese: , , or , ; ''Eutrema japonicum'' or ''Wasabia japonica'') or Japanese horseradish is a plant of the family Brassicaceae, which also includes horseradish and mustard in other genera. The plant is native to Japan and the Russian ...
; toppings are typically fish such as salmon, tuna, or other seafood. Certain toppings are typically bound to the rice with a thin strip of nori, most commonly
octopus An octopus ( : octopuses or octopodes, see below for variants) is a soft-bodied, eight- limbed mollusc of the order Octopoda (, ). The order consists of some 300 species and is grouped within the class Cephalopoda with squids, cuttle ...
(), freshwater
eel Eels are ray-finned fish belonging to the order Anguilliformes (), which consists of eight suborders, 19 families, 111 genera, and about 800 species. Eels undergo considerable development from the early larval stage to the eventual adult stage ...
(), sea eel (),
squid True squid are molluscs with an elongated soft body, large eyes, eight arms, and two tentacles in the superorder Decapodiformes, though many other molluscs within the broader Neocoleoidea are also called squid despite not strictly fitting t ...
(), and sweet egg (). is a special type of : an oval, hand-formed clump of sushi rice that has a strip of nori wrapped around its perimeter to form a vessel that is filled with some soft, loose or fine-chopped ingredient that requires the confinement of nori such as roe, , oysters, (
sea urchin Sea urchins () are spiny, globular echinoderms in the class Echinoidea. About 950 species of sea urchin live on the seabed of every ocean and inhabit every depth zone from the intertidal seashore down to . The spherical, hard shells (tests) of ...
roe), sweetcorn with mayonnaise, scallops, and quail eggs. was invented at the restaurant in 1941; its invention significantly expanded the repertoire of soft toppings used in sushi. is a style of sushi made by pressing rice and fish into a ball-shaped form by hand using a plastic wrap.


, also known as , is a pressed sushi from the Kansai region, a favorite and specialty of
Osaka is a designated city in the Kansai region of Honshu in Japan. It is the capital of and most populous city in Osaka Prefecture, and the third most populous city in Japan, following Special wards of Tokyo and Yokohama. With a population of 2. ...
. A block-shaped piece is formed using a wooden mold, called an . The chef lines the bottom of the with the toppings, covers them with sushi rice, and then presses the mold's lid to create a compact, rectilinear block. The block is removed from the mold and then cut into bite-sized pieces. Particularly famous is or . In , all the ingredients are either cooked or cured, and raw fish is never used. ''Oshizushi'' wrapped in persimmon leaves, a specialty of
Nara The National Archives and Records Administration (NARA) is an " independent federal agency of the United States government within the executive branch", charged with the preservation and documentation of government and historical records. It i ...
, is known as .


Western-style sushi

The increasing popularity of sushi worldwide has resulted in variations typically found in the
Western world The Western world, also known as the West, primarily refers to the various nations and state (polity), states in the regions of Europe, North America, and Oceania.
but rarely in Japan. A notable exception to this is the use of salmon. The Japanese have eaten salmon since prehistory; however, caught salmon in nature often contains parasites and must be cooked or cured for its lean meat to be edible. On the other side of the world, in the 1960s and 1970s, Norwegian entrepreneurs started experimenting with
aquaculture Aquaculture (less commonly spelled aquiculture), also known as aquafarming, is the controlled cultivation ("farming") of aquatic organisms such as fish, crustaceans, mollusks, algae and other organisms of value such as aquatic plants (e.g. lot ...
farming. The big breakthrough was when they figured out how to raise salmon in net pens in the sea. Being farm-raised, the
Atlantic salmon The Atlantic salmon (''Salmo salar'') is a species of ray-finned fish in the family Salmonidae. It is the third largest of the Salmonidae, behind Siberian taimen and Pacific Chinook salmon, growing up to a meter in length. Atlantic salmon are ...
reportedly showed advantages over the Pacific salmon, such as no parasites, easy animal capture, and could be grown with higher fat content. With government subsidies and improved techniques, they were so successful in raising fatty and parasite-free salmon they ended up with a surplus. Norway has a small population and limited market; therefore, they looked to other countries to export their salmon. The first Norwegian salmon was imported into Japan in 1980, accepted conventionally, for grilling, not for sushi. Salmon had already been consumed in North America as an ingredient in sushi as early as the 1970s. Salmon sushi did not become widely accepted in Japan until a successful marketing partnership in the late 1980s between Bjorn Eirik Olsen, a Norwegian businessman tasked with helping the Norwegian salmon industry glut, and the Japanese food supplier
Nichirei is one of Japan's top producers of frozen foods and a leader in cold storage warehousing, headquartered in Tokyo. Operating through around 80 subsidiaries and affiliates worldwide, its businesses include processed food; logistics; marine product ...
. Other sushi creations to suit the Western palate were initially fueled by the invention of the California roll, a which presently almost always uses
imitation crab Crab sticks, krab sticks, imitation crab (meat), or seafood sticks (originally known as ''kanikama'' in Japan) are a type of seafood made of starch and finely pulverized white fish (''surimi'') that has been shaped and cured to resemble the leg ...
(the original recipe calls for real cooked crab), along with avocado and cucumber. A wide variety of popular rolls ( and ) have evolved since. 'Norway roll' is another variant of filled with (omelette), imitation crab and cucumber, rolled with leaf and , topped with slices of Norwegian salmon, garnished with lemon and mayonnaise.


is a medium-sized cylindrical style of sushi with two or more fillings and was developed as a result of the creation of the California roll, as a method originally meant to hide the nori. differs from other because the rice is on the outside and the nori inside. The filling is surrounded by nori, then a layer of rice, and optionally an outer coating of some other ingredients such as roe or toasted sesame seeds. It can be made with different fillings, such as tuna, crab meat, avocado, mayonnaise, cucumber, or carrots. Examples of variations include the
rainbow roll Rainbow roll is a type of ''uramaki'' sushi roll filled with cucumber, avocado and crab stick. It is prepared with multiple types of fish, most commonly tuna, salmon, white fish, yellowtail, snapper, and eel. Rainbow roll is quite similar to ...
(an inside-out topped with thinly sliced and avocado) and the caterpillar roll (an inside-out topped with thinly sliced avocado). Also commonly found is the "rock and roll" (an inside-out roll with barbecued freshwater eel and avocado with toasted sesame seeds on the outside). In Japan, is an uncommon type of ; because sushi is traditionally eaten by hand in Japan, the outer layer of rice can be quite difficult to handle with fingers. In Brazil and other sushi pieces commonly include cream cheese in their recipe. Although unheard of in Japanese sushi, this is the most common sushi ingredient used in Brazil. also often contains a large amount of cream cheese and is extremely popular in restaurants.


American-style

Multiple-filling rolls inspired by are a more popular type of sushi within the United States and come in variations that take their names from their places of origin. Other rolls may include a variety of ingredients, including chopped
scallop Scallop () is a common name that encompasses various species of marine bivalve mollusks in the taxonomic family Pectinidae, the scallops. However, the common name "scallop" is also sometimes applied to species in other closely related families ...
s, spicy tuna, beef or chicken teriyaki roll, okra, and assorted
vegetable Vegetables are parts of plants that are consumed by humans or other animals as food. The original meaning is still commonly used and is applied to plants collectively to refer to all edible plant matter, including the flowers, fruits, stems, ...
s such as cucumber and avocado, and the tempura roll, where shrimp tempura is inside the roll or the entire roll is battered and fried tempura-style. In the Southern United States, many sushi restaurants prepare rolls using
crawfish Crayfish are freshwater crustaceans belonging to the clade Astacidea, which also contains lobsters. In some locations, they are also known as crawfish, craydids, crawdaddies, crawdads, freshwater lobsters, mountain lobsters, rock lobsters, mu ...
. Sometimes, rolls are made with brown rice or black rice, known as forbidden rice, which appear in Japanese cuisine as well. Per
Food and Drug Administration The United States Food and Drug Administration (FDA or US FDA) is a List of United States federal agencies, federal agency of the United States Department of Health and Human Services, Department of Health and Human Services. The FDA is respon ...
regulations, raw fish served in the United States must be frozen before serving to kill parasites. Since rolls are often made to order, it is not unusual for the customer to specify the exact ingredients desired (e.g., salmon roll, cucumber roll, avocado roll, tuna roll, shrimp or tuna
tempura is a typical Japanese dish usually consisting of seafood, meat and vegetables that have been battered and deep fried. The dish was introduced by the Portuguese in Nagasaki through fritter-cooking techniques in the 16th century. The word ''tem ...
roll, etc.). Though the menu names of dishes often vary by restaurant, some examples include the following:


Canada

Many of the styles seen in the United States are also seen in Canada and their own. Doshi (a portmanteau of ''sushi'' and ''donut'') is a donut-shaped rice ball on a deep-fried crab or imitation crab cake topped with sushi ingredients. Maki Poutine is similar to in style except it is topped with cheese curds and gravy and contains duck confit, more cheese curds, and sweet potato tempura. Sushi cake is made of crab meat, avocado, shiitake mushroom, salmon, spicy tuna, and tobiko and served on sushi rice then torched with spicy mayo, BBQ sauce, balsamic reduction, and dotted with caper and garlic chips.
Sushi pizza Sushi pizza is a Canadian dish that originated from Toronto and a fusion of sushi and pizza often served in the Greater Toronto Area, invented by Kaoru Ohsada no later than May 1993 as a Nami Japanese Seafood Restaurant chef. It uses a sligh ...
is deep fried rice or crab/imitation crab cake topped with mayo and various sushi ingredients.


Mexico and the Western United States

Sinaloan sushi Sinaloan sushi is a type of Mexican-American/Japanese fusion cuisine found on the United States West Coast and Southwest. Instead of wasabi, heat is provided by Sinaloa spices such as chipotle, chiltepin and jalapeño. The food probably originat ...
originated in Sinaloa, Mexico and has been available in the Western United States since 2013.


Similar dishes in Asia


South Korea

, similar to , is an internationally popular convenience food of Korean origin. It consists of (the Korean version of nori) rolled around rice seasoned with sesame oil, instead of vinegar, and a variety of ingredients such as vegetables, like , and meat, like .


Ingredients

All sushi has a base of specially prepared rice, complemented with other ingredients. Traditional Japanese sushi consists of rice flavored with vinegar sauce and various raw or cooked ingredients.


(also known as , , or ) is a preparation of white, short-grained,
Japanese rice Japanese rice refers to a number of short-grain cultivars of Japonica rice including ordinary rice (''uruchimai'') and glutinous rice (''mochigome''). Ordinary Japanese rice, or ''uruchimai'' (:ja:粳米, 粳米), is the staple of the Japanese ...
mixed with a dressing consisting of rice vinegar,
sugar Sugar is the generic name for sweet-tasting, soluble carbohydrates, many of which are used in food. Simple sugars, also called monosaccharides, include glucose, fructose, and galactose. Compound sugars, also called disaccharides or double ...
,
salt Salt is a mineral composed primarily of sodium chloride (NaCl), a chemical compound belonging to the larger class of salts; salt in the form of a natural crystalline mineral is known as rock salt or halite. Salt is present in vast quantitie ...
, and occasionally kombu and
sake Sake, also spelled saké ( ; also referred to as Japanese rice wine), is an alcoholic beverage of Japanese origin made by fermenting rice that has been polished to remove the bran. Despite the name ''Japanese rice wine'', sake, and indee ...
. It must be cooled to room temperature before being used for a sushi filling, or it will get too sticky while seasoned. Traditionally, it is mixed with a hangiri (a round, flat-bottom wooden tub or barrel) and a (a wooden paddle). Sushi rice is prepared with short-grain Japanese rice, which has a consistency that differs from long-grain strains such as those from India, Sri Lanka, Bangladesh, Thailand, and Vietnam. The essential quality is its stickiness or glutinousness, although the type of rice used for sushi differs from
glutinous rice Glutinous rice (''Oryza sativa var. glutinosa''; also called sticky rice, sweet rice or waxy rice) is a type of rice grown mainly in Southeast and East Asia, and the northeastern regions of South Asia, which has opaque grains, very low amylose ...
. Freshly harvested rice () typically contains too much water and requires extra time to drain the rice cooker after washing. In some fusion cuisine restaurants, short-grain brown rice and
wild rice Wild rice, also called manoomin, Canada rice, Indian rice, or water oats, is any of four species of grasses that form the genus ''Zizania'', and the grain that can be harvested from them. The grain was historically gathered and eaten in both ...
are also used. There are regional variations in sushi rice, and individual chefs have their methods. Most of the variations are in the rice vinegar dressing: the
Kantō region The is a geographical area of Honshu, the largest island of Japan. In a common definition, the region includes the Greater Tokyo Area and encompasses seven prefectures: Gunma, Tochigi, Ibaraki, Saitama, Tokyo, Chiba and Kanagawa. Slight ...
(or East Japan) version of the dressing commonly uses more salt; in Kansai region (or West Japan), the dressing has more sugar.


Nori

The dark green seaweed wrappers used in are called . Nori is a type of
algae Algae (; singular alga ) is an informal term for a large and diverse group of photosynthetic eukaryotic organisms. It is a polyphyletic grouping that includes species from multiple distinct clades. Included organisms range from unicellular mic ...
traditionally cultivated in the harbors of Japan. Originally, algae was scraped from dock pilings, rolled out into thin, edible sheets, and dried in the sun, similar to making rice paper. Today, the commercial product is farmed, processed, toasted, packaged, and sold in sheets. The size of a nori sheet influences the size of . A full-size sheet produces , and a half produces and . To produce and some other , an appropriately-sized piece of nori is cut from a whole sheet. Nori by itself is an edible snack and is available with salt or flavored with teriyaki sauce. The flavored variety, however, tends to be of lesser quality and is not suitable for sushi. When making , a paper-thin omelet may replace a sheet of nori as the wrapping. The omelet is traditionally made on a rectangular omelet pan, known as a , and used to form the pouch for the rice and fillings.


The ingredients used inside sushi are called and are, typically, varieties of fish. For culinary, sanitary, and aesthetic reasons, the minimum quality and freshness of fish to be eaten raw must be superior to that of fish which is to be cooked. Sushi chefs are trained to recognize important attributes, including smell, color, firmness, and freedom from parasites that may go undetected in a commercial inspection. Commonly used fish are
tuna A tuna is a saltwater fish that belongs to the tribe Thunnini, a subgrouping of the Scombridae (mackerel) family. The Thunnini comprise 15 species across five genera, the sizes of which vary greatly, ranging from the bullet tuna (max length: ...
(),
Japanese amberjack The Japanese amberjack or yellowtail, ''Seriola quinqueradiata'', is a species of jack fish in the family Carangidae. It is native to the northwest Pacific Ocean, ranging from China (called ), Korea (called ), and Japan to Hawaii. It is greatl ...
, yellowtail (), snapper (),
mackerel Mackerel is a common name applied to a number of different species of pelagic fish, mostly from the family Scombridae. They are found in both temperate and tropical seas, mostly living along the coast or offshore in the oceanic environment. ...
(), and
salmon Salmon () is the common name for several list of commercially important fish species, commercially important species of euryhaline ray-finned fish from the family (biology), family Salmonidae, which are native to tributary, tributaries of the ...
(). The most valued sushi ingredient is , the fatty cut of the fish. This comes in a variety of (often from the bluefin species of tuna) and , meaning "middle toro", implying that it is halfway into the fattiness between and the regular cut. style refers to nigiri sushi, where the fish is partially grilled (topside) and partially raw. Most nigiri sushi will have completely raw toppings, called . Other seafoods such as
squid True squid are molluscs with an elongated soft body, large eyes, eight arms, and two tentacles in the superorder Decapodiformes, though many other molluscs within the broader Neocoleoidea are also called squid despite not strictly fitting t ...
(),
eel Eels are ray-finned fish belonging to the order Anguilliformes (), which consists of eight suborders, 19 families, 111 genera, and about 800 species. Eels undergo considerable development from the early larval stage to the eventual adult stage ...
( and ), pike conger (),
octopus An octopus ( : octopuses or octopodes, see below for variants) is a soft-bodied, eight- limbed mollusc of the order Octopoda (, ). The order consists of some 300 species and is grouped within the class Cephalopoda with squids, cuttle ...
(),
shrimp Shrimp are crustaceans (a form of shellfish) with elongated bodies and a primarily swimming mode of locomotion – most commonly Caridea and Dendrobranchiata of the decapod order, although some crustaceans outside of this order are refer ...
( and ), clam (, and ), fish roe (, , and ),
sea urchin Sea urchins () are spiny, globular echinoderms in the class Echinoidea. About 950 species of sea urchin live on the seabed of every ocean and inhabit every depth zone from the intertidal seashore down to . The spherical, hard shells (tests) of ...
(),
crab Crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" (abdomen) ( el, βραχύς , translit=brachys = short, / = tail), usually hidden entirely under the thorax. They live in all the ...
(), and various kinds of shellfish (abalone, prawn, scallop) are the most popular seafoods in sushi.
Oyster Oyster is the common name for a number of different families of salt-water bivalve molluscs that live in marine or brackish habitats. In some species, the valves are highly calcified, and many are somewhat irregular in shape. Many, but not al ...
s are less common, as the taste is thought to not go well with the rice. , or imitation crab stick, is commonly substituted for real crab, most notably in California rolls. Pickled
daikon Daikon or mooli, ''Radish, Raphanus sativus'' Variety (botany), var. ''longipinnatus,'' is a mild-flavored winter radish usually characterized by fast-growing leaves and a long, white, root. Originally native to continental East Asia, daikon ...
radish () in , pickled vegetables (), fermented soybeans () in ,
avocado The avocado (''Persea americana'') is a medium-sized, evergreen tree in the laurel family (Lauraceae). It is native to the Americas and was first domesticated by Mesoamerican tribes more than 5,000 years ago. Then as now it was prized for i ...
,
cucumber Cucumber (''Cucumis sativus'') is a widely-cultivated Vine#Horticultural climbing plants, creeping vine plant in the Cucurbitaceae family that bears usually cylindrical Fruit, fruits, which are used as culinary vegetables.
in , asparagus, yam, pickled (), gourd (),
burdock ''Arctium'' is a genus of biennial plants commonly known as burdock, family Asteraceae. Native to Europe and Asia, several species have been widely introduced worldwide. Burdock's clinging properties, in addition to providing an excellent mecha ...
(), and sweet corn (sometimes mixed with mayonnaise) are plant products used in sushi. Tofu, eggs (in the form of slightly sweet, layered omelette called ), and raw quail eggs (as a topping) are also common.


Condiments

Sushi is commonly eaten with condiments. Sushi may be dipped in (
soy sauce Soy sauce (also called simply soy in American English and soya sauce in British English) is a liquid condiment of Chinese origin, traditionally made from a fermented paste of soybeans, roasted grain, brine, and '' Aspergillus oryzae'' or ''Asp ...
), and is usually flavored with
wasabi Wasabi (Japanese: , , or , ; ''Eutrema japonicum'' or ''Wasabia japonica'') or Japanese horseradish is a plant of the family Brassicaceae, which also includes horseradish and mustard in other genera. The plant is native to Japan and the Russian ...
, a piquant paste made from the grated stem of the '' Wasabia japonica'' plant. Japanese-style mayonnaise is a common condiment in Japan on salmon, pork, and other sushi cuts. The traditional grating tool for wasabi is a sharkskin grater or . An imitation wasabi (), made from horseradish, mustard powder, and green dye, is common. It is found at lower-end restaurants, in
bento box A is the Japanese iteration of a single-portion take-out or home-packed meal, often for lunch. Outside Japan, it is common in other East and Southeast Asian culinary styles, especially within Chinese, Korean, Singaporean cuisines and more, as r ...
sushi, and at most restaurants outside Japan. If manufactured in Japan, it may be labelled "Japanese Horseradish". The spicy compound in both true and imitation wasabi is
allyl isothiocyanate Allyl isothiocyanate (AITC) is an organosulfur compound (formula CH2CHCH2NCS). This colorless oil is responsible for the pungent taste of mustard, radish, horseradish, and wasabi. This pungency and the lachrymatory effect of AITC are mediated thr ...
, which has well-known
anti-microbial An antimicrobial is an agent that kills microorganisms or stops their growth. Antimicrobial medicines can be grouped according to the microorganisms they act primarily against. For example, antibiotics are used against bacteria, and antifungals a ...
properties. However, true wasabi may contain some other antimicrobials as well. (sweet, pickled
ginger Ginger (''Zingiber officinale'') is a flowering plant whose rhizome, ginger root or ginger, is widely used as a spice A spice is a seed, fruit, root, bark, or other plant substance primarily used for flavoring or coloring food. Spices ...
) is eaten in between sushi courses to both cleanse the palate and aid in digestion. In Japan,
green tea Green tea is a type of tea that is made from '' Camellia sinensis'' leaves and buds that have not undergone the same withering and oxidation process which is used to make oolong teas and black teas. Green tea originated in China, and since the ...
() is invariably served together with sushi. Better sushi restaurants often use a distinctive premium tea known as . In sushi vocabulary, green tea is known as . Sushi may be garnished with , grated , thinly-sliced vegetables, carrots, radishes, and cucumbers that have been shaped to look like flowers, real flowers, or seaweed salad. When closely arranged on a tray, different pieces are often separated by green strips called or . These dividers prevent the flavors of neighboring pieces of sushi from mixing and help to achieve an attractive presentation. Originally, these were cut leaves from the and plants, respectively. Using actual leaves had the added benefit of releasing antimicrobial
phytoncide Phytoncides are antimicrobial allelochemic volatile organic compounds derived from plants. The word, which means "exterminated by the plant", was coined in 1928 by Dr. Boris P. Tokin, a Russian biochemist from Leningrad University. He found tha ...
s when cut, thereby extending the limited shelf life of the sushi. Sushi bento boxes are a staple of Japanese supermarkets and convenience stores. As these stores began rising in prominence in the 1960s, the labor-intensive cut leaves were increasingly replaced with green plastic to lower costs. This coincided with the increased prevalence of refrigeration, which extended sushi's shelf life without the need for cut leaves. Today plastic strips are commonly used in sushi bento boxes and, to a lesser degree, in sushi presentations found in sushi bars and restaurants. In store-sold or to-go packages of sushi, the plastic leaf strips are often used to prevent the rolls from coming into early or unwanted contact with the ginger and wasabi included with the dish.


Nutrition

The main ingredients of traditional Japanese sushi, raw fish and rice, are naturally low in fat, high in
protein Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues. Proteins perform a vast array of functions within organisms, including catalysing metabolic reactions, DNA replication, respo ...
,
carbohydrate In organic chemistry, a carbohydrate () is a biomolecule consisting of carbon (C), hydrogen (H) and oxygen (O) atoms, usually with a hydrogen–oxygen atom ratio of 2:1 (as in water) and thus with the empirical formula (where ''m'' may or ma ...
s (the rice only),
vitamin A vitamin is an organic molecule (or a set of molecules closely related chemically, i.e. vitamers) that is an Nutrient#Essential nutrients, essential micronutrient that an organism needs in small quantities for the proper functioning of its ...
s, and minerals, as are and . Other vegetables wrapped in sushi may also offer nutrients.


Health risks

Potential chemical and biological hazards in sushi include environmental contaminants,
pathogen In biology, a pathogen ( el, πάθος, "suffering", "passion" and , "producer of") in the oldest and broadest sense, is any organism or agent that can produce disease. A pathogen may also be referred to as an infectious agent, or simply a germ ...
s, and toxins. Large marine apex predators such as
tuna A tuna is a saltwater fish that belongs to the tribe Thunnini, a subgrouping of the Scombridae (mackerel) family. The Thunnini comprise 15 species across five genera, the sizes of which vary greatly, ranging from the bullet tuna (max length: ...
(especially
bluefin Bluefin or Blue Fin and variants may refer to: Fish * Bluefin tuna, multiple species of tuna * Bluefin damsel (''Neoglyphidodon melas''), damselfish * Bluefin driftfish (''Psenes pellucidus'') * Bluefin gurnard (''Chelidonichthys kumu''), fish in t ...
) can harbor high levels of
methylmercury Methylmercury (sometimes methyl mercury) is an organometallic cation with the formula . It is the simplest organomercury compound. Methylmercury is extremely toxic, and its derivatives are the major source of organic mercury for humans. It is a ...
, one of many toxins of
marine pollution Marine pollution occurs when substances used or spread by humans, such as industrial waste, industrial, agricultural pollution, agricultural and municipal solid waste, residential waste, particle (ecology), particles, noise, excess carbon dioxid ...
. Frequent or significantly large consumption of methylmercury can lead to developmental defects when consumed by certain higher-risk groups, including women who are pregnant or may become pregnant, nursing mothers, and young children. A 2021 study in Catalonia, Spain reported that the estimated exposure to methylmercury in sushi consumption by adolescents exceeded the tolerable daily intake. A 2011 article reported approximately 18 million people infected with fish-borne flukes worldwide. Such an infection can be dangerous for expecting mothers due to the health risks that medical interventions or treatment measures may pose on the developing fetus. Parasitic infections can have a wide range of health impacts, including bowel obstruction, anemia, liver disease, and more. These illnesses' impact can pose health concerns for the expecting mother and baby.
Sashimi is a Japanese delicacy consisting of fresh raw fish or meat sliced into thin pieces and often eaten with soy sauce. Origin The word ''sashimi'' means "pierced body", i.e. "刺身" = ''sashimi'', where 刺 し = ''sashi'' (pierced, stuck) ...
or other types of sushi containing raw fish present a risk of infection by three main types of
parasite Parasitism is a close relationship between species, where one organism, the parasite, lives on or inside another organism, the host, causing it some harm, and is adapted structurally to this way of life. The entomologist E. O. Wilson has ...
s: * ''
Clonorchis sinensis ''Clonorchis sinensis'', the Chinese liver fluke, is a liver fluke belonging to the class Trematoda, phylum Platyhelminthes. It infects fish-eating mammals, including humans. In humans, it infects the common bile duct and gall bladder, feeding on ...
'', a
fluke Fluke may refer to: Biology * Fluke (fish), a species of marine flatfish * Fluke (tail), the lobes of the tail of a cetacean, such as dolphins or whales, ichthyosaurs, mosasaurs Mosasaurs (from Latin ''Mosa'' meaning the 'Meuse', and Greek ...
which can cause
clonorchiasis Clonorchiasis is an infectious disease caused by the Chinese liver fluke (''Clonorchis sinensis'') and two related species. Clonorchiasis is a known risk factor for the development of cholangiocarcinoma, a neoplasm of the biliary system. Sympt ...
* '' Anisakis'', a
roundworm The nematodes ( or grc-gre, Νηματώδη; la, Nematoda) or roundworms constitute the phylum Nematoda (also called Nemathelminthes), with plant-parasitic nematodes also known as eelworms. They are a diverse animal phylum inhabiting a broa ...
which can cause anisakiasis * ''
Diphyllobothrium ''Diphyllobothrium'' is a genus of tapeworms which can cause diphyllobothriasis in humans through consumption of raw or undercooked fish. The principal species causing diphyllobothriasis is ''D. latum'', known as the broad or fish tapeworm, or b ...
'', a
tapeworm Eucestoda, commonly referred to as tapeworms, is the larger of the two subclasses of flatworms in the class Cestoda (the other subclass is Cestodaria). Larvae have six posterior hooks on the scolex (head), in contrast to the ten-hooked Cestodar ...
which can cause diphyllobothriasis For these reasons, EU regulations forbid using raw fish that had not previously been frozen. It must be frozen at temperatures below in all product parts for no less than 24 hours. Fish for sushi may be flash frozen on fishing boats and by suppliers to temperatures as low as . Super-freezing destroys parasites, and also prevents oxidation of the blood in tuna flesh that causes discoloration at temperatures above . Calls for stricter analysis and regulation of seafood include improved product description. A 2021 DNA study in Italy found 30%-40% of fish species in sushi incorrectly described. Some forms of sushi, notably those containing the
fugu The fugu (; ; ) in Japanese, ''bogeo'' (; 鰒魚) or ''bok'' () in Korean, and ''hétún'' (河豚; 河魨) in Standard Modern Chinese is a pufferfish, normally of the genus ''Takifugu'', ''Lagocephalus'', or ''Sphoeroides'', or a porcupinefish ...
pufferfish and some kinds of shellfish, can cause severe poisoning if not prepared properly. Fugu consumption, in particular, can be fatal. Fugu fish has a lethal dose of
tetrodotoxin Tetrodotoxin (TTX) is a potent neurotoxin. Its name derives from Tetraodontiformes, an order that includes pufferfish, porcupinefish, ocean sunfish, and triggerfish; several of these species carry the toxin. Although tetrodotoxin was discovered ...
in its internal organs and, by law in many countries, must be prepared by a licensed fugu chef who has passed the prefectural examination in Japan. Licensing involves a written test, a fish-identification test, and a practical test that involves preparing the fugu and separating out the poisonous organs; only about 35 percent of applicants pass.


Sustainable sushi

Sustainable sushi is made from fished or farmed sources that can be maintained or whose future production does not significantly jeopardize the ecosystems from which it is acquired.


Presentation

Traditionally, sushi is served on minimalist Japanese-style, geometric, mono- or duo-tone wood or lacquer plates, keeping with this cuisine's aesthetic qualities. Many sushi restaurants offer fixed-price sets selected by the chef from the catch of the day. These are often graded as , , , and , with the most expensive and the cheapest. Sushi restaurants will often have private booth dining, where guests are asked to remove their shoes, leaving them outside the room; However, most sushi bars offer diners a casual experience with an open dining room concept. Sushi may be served (sushi train) style: color-coded plates of sushi are placed on a conveyor belt from which diners pick as they please. After finishing, the bill is tallied by counting how many plates of each color have been taken. Newer restaurants use barcodes or
RFID Radio-frequency identification (RFID) uses electromagnetic fields to automatically identify and track tags attached to objects. An RFID system consists of a tiny radio transponder, a radio receiver and transmitter. When triggered by an electromag ...
tags embedded in the dishes to manage elapsed time after the item was prepared. There is a practice called which entails serving sushi on the naked body of a woman.


Glossary

Some specialized or slang terms are used in the sushi culture. Most of these terms are used only in sushi bars. * : , refers to
green tea Green tea is a type of tea that is made from '' Camellia sinensis'' leaves and buds that have not undergone the same withering and oxidation process which is used to make oolong teas and black teas. Green tea originated in China, and since the ...
. in usual Japanese. * : Sweet, pickled and sliced
ginger Ginger (''Zingiber officinale'') is a flowering plant whose rhizome, ginger root or ginger, is widely used as a spice A spice is a seed, fruit, root, bark, or other plant substance primarily used for flavoring or coloring food. Spices ...
, or sushi ginger. in standard Japanese. * : "Jewel". Sweet, cube-shaped omelette. in standard Japanese. * : "Violet" or "purple" (color). Soy sauce. in standard Japanese. * : Toppings on nigiri or fillings in . A reversal of the standard Japanese . * : "Compliment". Bill or check. may be used in not only sushi bars but also . or in standard Japanese. * :
Chopsticks Chopsticks ( or ; Pinyin: ''kuaizi'' or ''zhu'') are shaped pairs of equal-length sticks of China, Chinese origin that have been used as Kitchen utensil, kitchen and List of eating utensils, eating utensils in most of East Asia, East and Southe ...
. means the nearest thing to the customer seated. or in standard Japanese. * : Contracted form of , also known as Japanese horseradish. * : Vinegar
rice Rice is the seed of the grass species ''Oryza sativa'' (Asian rice) or less commonly ''Oryza glaberrima ''Oryza glaberrima'', commonly known as African rice, is one of the two domesticated rice species. It was first domesticated and grown i ...
or rice. It may originally be from the
Sanskrit Sanskrit (; attributively , ; nominally , , ) is a classical language belonging to the Indo-Aryan branch of the Indo-European languages. It arose in South Asia after its predecessor languages had diffused there from the northwest in the late ...
() meaning rice, or . ) or in standard Japanese. * : Sweet thick sauce mainly made of soy sauce. in standard Japanese.


Etiquette

Unlike sashimi, which is almost always eaten with chopsticks, is traditionally eaten with the fingers, even in formal settings. Although it is commonly served on a small platter with a side dish for dipping, sushi can also be served in a bento, a box with small compartments that hold the various dishes of the meal. Soy sauce is the usual condiment, and sushi is normally served with a small sauce dish or a compartment in the bento. Traditional etiquette suggests that the sushi is turned over so that only the topping is dipped to flavor it; the rice—which has already been seasoned with rice wine vinegar, sugar, salt, mirin, and kombu—would otherwise absorb too much soy sauce and would fall apart. Traditionally, the sushi chef will add an appropriate amount of wasabi to the sushi while preparing it, and the diner should not add more. However, today, wasabi is more a matter of personal taste, and even restaurants in Japan may serve wasabi on the side for customers to use at their discretion, even when there is wasabi already in the dish.


Utensils used in making sushi


Gallery

File:Tuna Sushi.jpg, File:Salmon sushi.jpg, File:Kakinohazusi.jpg, sushi File:Chakin-sushi2.JPG, , wrapped in thin omelette File:Sushi plate (盛り合わせ).jpg, File:Sushi Nemuro Hanamaru Tokei Dai (184517515).jpeg, File:Sasazushi.jpg, sushi File:Unagi-Sushi.jpg, sushi File:Sashimi for sale.JPG, for sale at a supermarket in Tokyo File:Assorted sushi.png, File:Assorted Western sushi (盛り合わせ).jpg, File:Sushi1.jpg, Western California roll and tuna roll () File:Spicytunahandroll.jpg, File:Spicyshrimproll.jpg, File:Eingelegter Ingwer (25966203794).jpg, (ginger) File:Wasabi 002.jpg, Wasabi File:Tamago sushi (egg) (3313677892).jpg, sushi File:Rokusanen Wakayama Japan08bs.jpg, Otoro sushi ( 大トロ寿司)


See also

* , Korean variant of *
Customs and etiquette in Japanese dining Japanese dining etiquette is a set of traditional perceptions governing specific expectations which outlines general standards of how one should behave and respond in various dining situations. Overview In Japan, it is customary to say before st ...
*
List of sushi and sashimi ingredients There are many sushi and sashimi ingredients, some traditional and some contemporary. Sushi styles * Chirashi-zushi (ちらし寿司, ''scattered sushi'') is a bowl of sushi rice topped with a variety of raw fish and vegetables/garnishes (also ...
* List of sushi restaurants * , sushi presented on nude female body * , Japanese knife to slice raw fish and seafood *
Spam musubi Spam musubi is a snack and lunch food composed of a slice of grilled Spam sandwiched either in between or on top of a block of rice, wrapped together with nori in the tradition of Japanese ''onigiri''. Inexpensive and portable, Spam musubi are ...
, Hawaiian variant of *
Sushi machine A sushi machine or sushi robot is a mechanical device that automatically creates various styles of sushi. Several are electrically powered. Some sushi machines produce mounds of sushi rice for creating nigiri. This style of sushi machine may use a h ...


References


Further reading

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External links

* WikiHow page on making sushi rice {{Authority control Articles containing video clips Japanese cuisine Seafood dishes Japanese rice dishes Japanese words and phrases National dishes Seafood and rice dishes Sliced foods Types of food Uncooked fish dishes