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Celery (''Apium graveolens'') is a marshland plant in the family Apiaceae that has been cultivated as a vegetable since antiquity. Celery has a long fibrous stalk tapering into leaves. Depending on location and cultivar, either its stalks, leaves or hypocotyl are eaten and used in cooking. Celery seed powder is used as a spice.


Description

Celery leaves are pinnate to bipinnate with rhombic leaflets long and broad. The flowers are creamy-white, in diameter, and are produced in dense compound umbels. The seeds are broad ovoid to globose, long and wide. Modern cultivars have been selected for either solid petioles, leaf stalks, or a large hypocotyl. A celery stalk readily separates into "strings" which are bundles of angular collenchyma cells exterior to the
vascular bundle A vascular bundle is a part of the transport system in vascular plants. The transport itself happens in the stem, which exists in two forms: xylem and phloem. Both these tissues are present in a vascular bundle, which in addition will inclu ...
s. Wild celery, ''Apium graveolens'' var. ''graveolens'', grows to tall. Celery is a biennial plant that occurs around the globe. It produces flowers and seeds only during its second year. The first cultivation is thought to have happened in the Mediterranean region, where the natural habitats were salty and wet, or marshy soils near the coast where celery grew in agropyro-rumicion- plant communities. North of the Alps, wild celery is found only in the foothill zone on soils with some salt content. It prefers moist or wet, nutrient rich, muddy soils. It cannot be found in Austria and is increasingly rare in Germany.


Etymology

First attested and printed in English as "sellery" by John Evelyn in 1664, the modern English word "celery" derives from the
French French (french: français(e), link=no) may refer to: * Something of, from, or related to France ** French language, which originated in France, and its various dialects and accents ** French people, a nation and ethnic group identified with Franc ...
''céleri'', in turn from Italian ''seleri'', the plural of ''selero'', which comes from Late Latin ''selinon'', the latinisation of the grc, σέλινον, selinon, "celery". The earliest attested form of the word is the Mycenaean Greek ''se-ri-no'', written in
Linear B Linear B was a syllabic script used for writing in Mycenaean Greek, the earliest attested form of Greek. The script predates the Greek alphabet by several centuries. The oldest Mycenaean writing dates to about 1400 BC. It is descended from ...
syllabic script.


Taxonomy

Celery was described by Carl Linnaeus in Volume One of his ''
Species Plantarum ' (Latin for "The Species of Plants") is a book by Carl Linnaeus, originally published in 1753, which lists every species of plant known at the time, classified into genera. It is the first work to consistently apply binomial names and was the ...
'' in 1753.


Cultivation

The plants are raised from seed, sown either in a hot bed or in the open garden according to the season of the year, and, after one or two thinnings and transplantings, they are, on attaining a height of , planted out in deep trenches for convenience of blanching, which is effected by earthing up to exclude light from the stems. Development of self-blanching varieties of celery, which do not need to be earthed up, dominate both the commercial and amateur market. Celery was first grown as a winter and early spring vegetable. It was considered a cleansing tonic to counter the deficiencies of a winter diet based on salted meats without fresh vegetables. By the 19th century, the season for celery in England had been extended, to last from the beginning of September to late in April.


North America

In North America, commercial production of celery is dominated by the cultivar called 'Pascal' celery. Gardeners can grow a range of cultivars, many of which differ from the wild species, mainly in having stouter leaf stems. They are ranged under two classes, white and red. The stalks grow in tight, straight, parallel bunches, and are typically marketed fresh that way. They are sold without roots and only a small amount of green leaf remaining. The stalks can be eaten raw, or as an ingredient in salads, or as a flavoring in soups, stews, and pot roasts.


Europe

In Europe, another popular variety is
celeriac Celeriac (''Apium graveolens'' var. ''rapaceum''), also called celery root, knob celery, and turnip-rooted celery (although it is not a close relative of the turnip), is a variety of celery cultivated for its edible stem or hypocotyl, and shoo ...
(also known as ''celery root''), ''Apium graveolens'' var. ''rapaceum'', grown because its hypocotyl forms a large bulb, white on the inside. The bulb can be kept for months in winter and mostly serves as a main ingredient in soup. It can also be shredded and used in salads. The leaves are used as seasoning; the small, fibrous stalks find only marginal use.


Asia

Leaf celery Leaf celery (''Apium graveolens'' var. ''secalinum'' Alef.), also called Chinese celery or Nan Ling celery, is a variety of celery cultivated in East Asian countries for its edible, flavorful stalks and leaves. The stems are thinner than tho ...
(Chinese celery, ''Apium graveolens var. secalinum'') is a cultivar from East Asia that grows in marshlands. Leaf celery has characteristically thin skin stalks and a stronger taste and smell compared to other cultivars. It is used as a flavoring in soups and sometimes pickled as a side dish.


Wild

The wild form of celery is known as "smallage". It has a furrowed stalk with wedge-shaped leaves, the whole plant having a coarse, earthy taste, and a distinctive smell. The stalks are not usually eaten (except in soups or stews in French cuisine), but the leaves may be used in salads, and its seeds are those sold as a spice. With cultivation and blanching, the stalks lose their acidic qualities and assume the mild, sweetish, aromatic taste particular to celery as a salad plant. Because wild celery is rarely eaten, yet susceptible to the same diseases as more well-used cultivars, it is often removed from fields to help prevent transmission of viruses like celery mosaic virus.


Harvesting and storage

Harvesting occurs when the average size of celery in a field is marketable; due to extremely uniform crop growth, fields are harvested only once. The petioles and leaves are removed and harvested; celery is packed by size and quality (determined by color, shape, straightness and thickness of petiole, stalk and midrib length and absence of disease, cracks, splits, insect damage and rot). During commercial harvesting, celery is packaged into cartons which contain between 36 and 48 stalks and weigh up to . Under optimal conditions, celery can be stored for up to seven weeks from . Inner stalks may continue growing if kept at temperatures above . Shelf life can be extended by packaging celery in anti-fogging, micro-perforated shrink wrap. Freshly cut petioles of celery are prone to decay, which can be prevented or reduced through the use of sharp blades during processing, gentle handling, and proper sanitation. Celery stalk may be preserved through pickling by first removing the leaves, then boiling the stalks in water before finally adding vinegar, salt, and vegetable oil.


Sulfites

In the past, restaurants used to store celery in a container of water with powdered vegetable preservative, but it was found that the
sulfite Sulfites or sulphites are compounds that contain the sulfite ion (or the sulfate(IV) ion, from its correct systematic name), . The sulfite ion is the conjugate base of bisulfite. Although its acid ( sulfurous acid) is elusive, its salts are wide ...
s in the preservative caused allergic reactions in some people. In 1986, the U.S. Food and Drug Administration banned the use of sulfites on fruits and vegetables intended to be eaten raw.


Uses

Celery is eaten around the world as a vegetable. In North America and Europe the crisp petiole (leaf stalk) is used. In Europe the hypocotyl is also used as a root vegetable. The leaves are strongly flavored and are used less often, either as a flavoring in soups and stews or as a dried herb. Celery, onions, and bell peppers are the "holy trinity" of Louisiana Creole and Cajun cuisine. Celery, onions, and carrots make up the French mirepoix, often used as a base for sauces and soups. Celery is a staple in many soups. It is used in the Iranian stew khoresh.


Leaves

Celery leaves are frequently used in cooking to add a mild spicy flavor to foods, similar to, but milder than black pepper. Celery leaves are suitable dried as a sprinkled on seasoning for use with baked, fried or roasted fish, meats and as part of a blend of fresh seasonings suitable for use in soups and stews. They may also be eaten raw, mixed into a salad or as a garnish.


Seeds

In temperate countries, celery is also grown for its seeds. Actually very small fruit, these "seeds" yield a valuable
essential oil An essential oil is a concentrated hydrophobic liquid containing volatile (easily evaporated at normal temperatures) chemical compounds from plants. Essential oils are also known as volatile oils, ethereal oils, aetheroleum, or simply as the o ...
that is used in the perfume industry. The oil contains the chemical compound
apiole Apiole is a phenylpropene, also known as apiol, parsley apiol, or parsley camphor. Its chemical name is 1-allyl-2,5-dimethoxy-3,4-methylenedioxybenzene. It is found in the essential oils of celery leaf and all parts of parsley. Heinrich Christoph ...
. Celery seeds can be used as flavoring or spice, either as whole seeds or ground.


Celery salt

Celery seeds can be ground and mixed with salt to produce
celery salt Celery salt is a seasoned salt used to flavour food. The primary ingredient is table salt and the flavouring agent is ground seeds from celery or its relative lovage. It is also sometimes produced using dried celery or seed oleoresin. Additives C ...
. Celery salt can be made from an extract of the roots or by using dried leaves. Celery salt is used as a seasoning, in cocktails (commonly to enhance the flavor of
Bloody Mary Bloody Mary originally referred to: * Mary I of England (1516–1558), Queen of England and Ireland, so called because of her persecution of Protestants Bloody Mary may also refer to: Film * '' Urban Legends: Bloody Mary'', a 2005 horror fil ...
cocktails), on the
Chicago-style hot dog A Chicago-style hot dog, Chicago Dog, or Chicago Red Hot is an all-beef frankfurter on a poppy seed bun, originating from the city of Chicago, Illinois. The hot dog is topped with yellow mustard, chopped white onions, bright green sweet pick ...
, and in Old Bay Seasoning. Similarly, combinations of celery powder and salt are used to flavor and preserve cured pork and other processed meats as an alternative to industrial curing salt. The naturally occurring nitrites in celery work synergistically with the added salt to cure food.


Celery juice

In 2019, a trend of drinking celery juice was reported in the United States, based on " detoxification" claims posted on a blog. The claims have no scientific basis, but the trend caused a sizable spike in celery prices.


Nutrition

Raw celery is 95% water, 3% carbohydrates, 0.7% protein, and contains negligible fat (table). A reference serving provides 16
calorie The calorie is a unit of energy. For historical reasons, two main definitions of "calorie" are in wide use. The large calorie, food calorie, or kilogram calorie was originally defined as the amount of heat needed to raise the temperature of on ...
s of food energy, and is a rich source of vitamin K, providing 28% of the Daily Value, with no other
micronutrient Micronutrients are nutrient, essential dietary elements required by organisms in varying quantities throughout life to orchestrate a range of physiological functions to maintain health. Micronutrient requirements differ between organisms; for exam ...
s in significant content (table).


Allergies

Celery is among a small group of foods that may provoke allergic reactions; for people with celery allergy, exposure can cause potentially fatal
anaphylactic shock Anaphylaxis is a serious, potentially fatal allergic reaction and medical emergency that is rapid in onset and requires immediate medical attention regardless of use of emergency medication on site. It typically causes more than one of the follow ...
. Cases of allergic reaction to ingestion of celery root have also been reported in pollen-sensitive individuals resulting in gastrointestinal disorders and other symptoms, although in most cases, celery sensitivity is not considered clinically significant. In the European Union and the United Kingdom, foods that contain or may contain celery, even in trace amounts, must be clearly marked. The ''Apium graveolens'' plant has an OPALS allergy scale rating of 4 out of 10, indicating moderate potential to cause allergic reactions, exacerbated by over-use of the same plant throughout a garden. Celery has caused skin rashes and cross-reactions with
carrots 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'', nativ ...
and ragweed.


Chemistry

The main chemicals responsible for the aroma and taste of celery are butylphthalide and
sedanolide Sedanolide is a tetrahydrophthalide compound with the molecular formula C12H18O2. It is reported that sedanolide is one of flavor constituents of celery Celery (''Apium graveolens'') is a marshland plant in the family Apiaceae that has been ...
.


History

Daniel Zohary and Maria Hopf note that celery leaves and inflorescences were part of the garlands found in the tomb of pharaoh Tutankhamun (died 1323 BC), and celery
mericarp A schizocarp is a dry fruit that, when mature, splits up into mericarps. There are different definitions: * Any dry fruit composed of multiple carpels that separate. : Under this definition the mericarps can contain one or more seeds (the m ...
s dated to the seventh century BC were recovered in the Heraion of Samos. However, they note ''A. graveolens'' grows wild in these areas, it is hard to decide whether these remains represent wild or cultivated forms." Only by classical antiquity is it thought that celery was cultivated. M. Fragiska mentions an archeological find of celery dating to the 9th century BC, at
Kastanas Kastanas ( el, Καστανάς, ) is a village of the Chalkidona municipality. Before the 2011 local government reform it was part of the municipality of Koufalia. The 2011 census recorded 630 inhabitants in the village. Kastanas is a part of th ...
; however, the literary evidence for ancient Greece is far more abundant. In Homer's '' Iliad'', the horses of the Myrmidons graze on wild celery that grows in the marshes of Troy, and in '' Odyssey'', there is mention of the meadows of violet and wild celery surrounding
Calypso's Cave Calypso's Cave (Maltese: L-ghar ta' Calisso) is a natural cave, located on the western side of the Ramla bay, in Xagħra, Gozo. The cave is alleged to be the one referenced in The Odyssey as the cave where the nymph Calypso kept Odysseus ...
. In the ''Capitulary'' of Charlemagne, compiled c. 800, '' apium'' appears, as does ''olisatum'', or
alexanders ''Smyrnium olusatrum'', common name alexanders (or alisander) is an edible flowering plant of the family Apiaceae (Umbelliferae), which grows on waste ground and in hedges around the Mediterranean and Atlantic coastal regions of Europe. It was ...
, among medicinal herbs and vegetables the Frankish emperor desired to see grown. At some later point in medieval Europe, celery displaced alexanders. The name "celery" retraces the plant's route of successive adoption in European cooking, as the English "celery" (1664) is derived from the French ''céleri'' coming from the Lombard term, ''seleri'', from the Latin ''selinon'', borrowed from Greek. Celery's late arrival in the English kitchen is an end-product of the long tradition of seed selection needed to reduce the sap's bitterness and increase its sugars. By 1699, John Evelyn could recommend it in his ''Acetaria. A Discourse of Sallets'': "Sellery, apium Italicum, (and of the Petroseline Family) was formerly a stranger with us (nor very long since in Italy) is a hot and more generous sort of Macedonian Persley or Smallage... and for its high and grateful Taste is ever plac'd in the middle of the Grand Sallet, at our Great Men's tables, and Praetors feasts, as the Grace of the whole Board". Celery makes a minor appearance in colonial American gardens; its culinary limitations are reflected in the observation by the author of ''A Treatise on Gardening, by a Citizen of Virginia'' that it is "one of the species of
parsley Parsley, or garden parsley (''Petroselinum crispum'') is a species of flowering plant in the family Apiaceae that is native to the central and eastern Mediterranean region (Sardinia, Lebanon, Israel, Cyprus, Turkey, southern Italy, Greece, Por ...
." Its first extended treatment in print was in
Bernard M'Mahon Bernard McMahon or M'Mahon (Ireland ca 1775 — Philadelphia, 18 September 1816) was an Irish-American horticulturist settled in Philadelphia, who served as one of the stewards of the plant collections from the Lewis and Clark Expedition and was ...
's ''American Gardener's Calendar'' (1806). After the mid-19th century, continued selections for refined crisp texture and taste brought celery to American tables, where it was served in celery vases to be salted and eaten raw. Celery was so popular in the United States during the 19th century and early 20th century that the
New York Public Library The New York Public Library (NYPL) is a public library system in New York City. With nearly 53 million items and 92 locations, the New York Public Library is the second largest public library in the United States (behind the Library of Congress ...
'
historical menu archive
shows that it was the third most popular dish in New York City menus during that time, behind only coffee and tea. In those days, celery cost more than caviar, as it was difficult to cultivate. There were also many varieties of celery back then that are no longer around because they are difficult to grow and do not ship well.


Cultural depictions

A chthonian symbol among the ancient Greeks, celery was said to have sprouted from the blood of Kadmilos, father of the Cabeiri, chthonian divinities celebrated in Samothrace, Lemnos, and Thebes. The spicy odor and dark leaf color encouraged this association with the cult of death. In classical Greece, celery leaves were used as garlands for the dead, and the wreaths of the winners at the Isthmian Games were first made of celery before being replaced by crowns made of pine. According to Pliny the Elderin Pliny, ''Natural History'' XIX.46.
Achaea Achaea () or Achaia (), sometimes transliterated from Greek as Akhaia (, ''Akhaïa'' ), is one of the regional units of Greece. It is part of the region of Western Greece and is situated in the northwestern part of the Peloponnese peninsula. The ...
, the garland worn by the winners of the sacred Nemean Games was also made of celery. The Ancient Greek colony of Selinous ( grc, Σελινοῦς, ''Selinous''), on Sicily, was named after wild parsley that grew abundantly there; Selinountian coins depicted a parsley leaf as the symbol of the city.


See also

* Apium virus Y * Celery mosaic virus *
Celery powder Celery powder is a dried, ground concentrate prepared from fresh celery that is used as a seasoning and as a food preservative in organic meat products. Several commercial preparations exist, and it can also be made using a food dehydrator. Some ...
*
Celery vase A celery vase is type of glass tableware. Developed during the Victorian era, celery vases displayed celery as centerpieces during meals. Celery was introduced to England from the Mediterranean region in the early 19th century. Farmers began cult ...
*'' Liriomyza trifolii'' – celery leaf miner * '' Vallisneria americana'' – wild celery * List of vegetables


References


External links

*
''Apium graveolens''
in Plant Resources of Tropical Africa (PROTA)
Quality standards
from the USDA website {{Authority control Apium Edible Apiaceae Leaf vegetables Medicinal plants Spices Stem vegetables Taxa named by Carl Linnaeus Aphrodisiac foods Calypso (mythology)