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''Brassica juncea'', commonly brown mustard, Chinese mustard, Indian mustard, leaf mustard, Oriental mustard and vegetable mustard, is a species of mustard plant.


Cultivar

''Brassica juncea'' cultivars can be divided into four major subgroups: integrifolia, juncea, napiformis, and tsatsai.


Integrifolia


Juncea


Napiformis


Tsatsai


Uses


Nutrition

In a reference serving, cooked mustard greens provide of
food energy Food energy is chemical energy that animals (including humans) derive from their food to sustain their metabolism, including their muscle, muscular activity. Most animals derive most of their energy from aerobic respiration, namely combining the ...
and are a rich source (20% or more of the
Daily Value The Reference Daily Intake (RDI) used in nutrition labeling on food and dietary supplement products in the U.S. and Canada is the daily intake level of a nutrient that is considered to be sufficient to meet the requirements of 97–98% of health ...
) of vitamins A, C, and K—K being especially high as a multiple of its Daily Value. Mustard greens are a moderate source of
vitamin E Vitamin E is a group of eight fat soluble compounds that include four tocopherols and four tocotrienols. Vitamin E deficiency, which is rare and usually due to an underlying problem with digesting dietary fat rather than from a diet low in vit ...
and
calcium Calcium is a chemical element with the symbol Ca and atomic number 20. As an alkaline earth metal, calcium is a reactive metal that forms a dark oxide-nitride layer when exposed to air. Its physical and chemical properties are most similar to ...
. Greens are 92% water, 4.5%
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, 2.6%
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 ...
and 0.5%
fat In nutrition science, nutrition, biology, and chemistry, fat usually means any ester of fatty acids, or a mixture of such chemical compound, compounds, most commonly those that occur in living beings or in food. The term often refers spec ...
(table).


Cuisine

The leaves, seeds, and stems of this mustard variety are edible. The plant appears in some form in
African African or Africans may refer to: * Anything from or pertaining to the continent of Africa: ** People who are native to Africa, descendants of natives of Africa, or individuals who trace their ancestry to indigenous inhabitants of Africa *** Ethn ...
,
Bangladeshi Bangladeshis ( bn, বাংলাদেশী ) are the citizens of Bangladesh, a South Asian country centered on the transnational historical region of Bengal along the eponymous bay. Bangladeshi citizenship was formed in 1971, when the ...
,
Chinese Chinese can refer to: * Something related to China * Chinese people, people of Chinese nationality, citizenship, and/or ethnicity **''Zhonghua minzu'', the supra-ethnic concept of the Chinese nation ** List of ethnic groups in China, people of ...
,
Filipino Filipino may refer to: * Something from or related to the Philippines ** Filipino language, standardized variety of 'Tagalog', the national language and one of the official languages of the Philippines. ** Filipinos, people who are citizens of th ...
,
Italian Italian(s) may refer to: * Anything of, from, or related to the people of Italy over the centuries ** Italians, an ethnic group or simply a citizen of the Italian Republic or Italian Kingdom ** Italian language, a Romance language *** Regional Ita ...
,
Indian Indian or Indians may refer to: Peoples South Asia * Indian people, people of Indian nationality, or people who have an Indian ancestor ** Non-resident Indian, a citizen of India who has temporarily emigrated to another country * South Asia ...
,
Japanese Japanese may refer to: * Something from or related to Japan, an island country in East Asia * Japanese language, spoken mainly in Japan * Japanese people, the ethnic group that identifies with Japan through ancestry or culture ** Japanese diaspor ...
, Nepali, Pakistani,
Korean Korean may refer to: People and culture * Koreans, ethnic group originating in the Korean Peninsula * Korean cuisine * Korean culture * Korean language **Korean alphabet, known as Hangul or Chosŏn'gŭl **Korean dialects and the Jeju language ** ...
, Southern and
African-American African Americans (also referred to as Black Americans and Afro-Americans) are an Race and ethnicity in the United States, ethnic group consisting of Americans with partial or total ancestry from sub-Saharan Africa. The term "African American ...
(soul food) cuisines. Cultivars of ''B. juncea'' are grown for their greens, and for the production of
mustard oil Mustard oil can mean either the pressed oil used for cooking, or a pungent essential oil also known as volatile oil of mustard. The essential oil results from grinding mustard seed, mixing the grounds with water, and extracting the resulting vol ...
. The mustard condiment made from the seeds of the ''B. juncea'' is called brown mustard and is considered to be spicier than yellow mustard. Because it may contain
erucic acid Erucic acid is a monounsaturated omega-9 fatty acid, denoted 22:1ω9. It has the chemical formula CH3(CH2)7CH=CH(CH2)11COOH. It is prevalent in wallflower seed and other plants in the family Brassicaceae, with a reported content of 20 to 54% i ...
, a potential
toxin A toxin is a naturally occurring organic poison produced by metabolic activities of living cells or organisms. Toxins occur especially as a protein or conjugated protein. The term toxin was first used by organic chemist Ludwig Brieger (1849– ...
, mustard oil is restricted from import as a
vegetable oil Vegetable oils, or vegetable fats, are oils extracted from seeds or from other parts of fruits. Like animal fats, vegetable fats are ''mixtures'' of triglycerides. Soybean oil, grape seed oil, and cocoa butter are examples of seed oils, or fat ...
into the United States.
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 ...
of mustard, however, is generally recognized as safe by the U.S.
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 ...
. In
Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
, this is the main species grown for the production of
mustard oil Mustard oil can mean either the pressed oil used for cooking, or a pungent essential oil also known as volatile oil of mustard. The essential oil results from grinding mustard seed, mixing the grounds with water, and extracting the resulting vol ...
. It is widely used in
canning Canning is a method of food preservation in which food is processed and sealed in an airtight container (jars like Mason jars, and steel and tin cans). Canning provides a shelf life that typically ranges from one to five years, although u ...
, baking and margarine production in Russia, and the majority of Russian table mustard is also made from ''B. juncea''. The leaves are used in African cooking,Grubben, G.J.H. & Denton, O.A. (2004) Plant Resources of Tropical Africa 2. Vegetables. PROTA Foundation, Wageningen; Backhuys, Leiden; CTA, Wageningen. and all plant parts are used in
Nepali cuisine Nepali cuisine comprises a variety of cuisines based upon ethnicity, alluvial soil and climate relating to Nepal's cultural diversity and geography. '' Dal-bhat-tarkari'' ( ne, दाल भात तरकारी) is eaten throughout Nepal ...
, particularly in the mountain regions of
Nepal Nepal (; ne, नेपाल ), formerly the Federal Democratic Republic of Nepal ( ne, सङ्घीय लोकतान्त्रिक गणतन्त्र नेपाल ), is a landlocked country in South Asia. It is mai ...
, as well as in the
Punjabi cuisine Punjabi cuisine is a culinary style originating in the Punjab, a region in the northern part of the Indian subcontinent, which is now divided in an Indian part to the east and a Pakistani part to the west. This cuisine has a rich tradition o ...
in the northern part of the
Indian subcontinent The Indian subcontinent is a list of the physiographic regions of the world, physiographical region in United Nations geoscheme for Asia#Southern Asia, Southern Asia. It is situated on the Indian Plate, projecting southwards into the Indian O ...
, where a dish called ''
sarson da saag Sarson ka saag (as it is known in Hindi/Haryanvi or Sarson da saag in Punjabi or Sareyan Da Saag in Dogri) is a popular vegetarian dish from the northern region of the Indian subcontinent. It is made from mustard greens (sarson) and spices such ...
'' (mustard greens) is prepared. ''B. juncea'' subsp. ''tatsai'', which has a particularly thick stem, is used to make the
Nepali pickle South Asian pickles, also known as avalehikā, pachchadi, achaar (sometimes spelled as aachaar), athaanu, loncha, oorugaai, or aavakaai, is a pickled food made from a variety of vegetables and fruits preserved in brine, vinegar, edible oils, and ...
called ''achar'', and the Chinese pickle ''
zha cai ''Zha cai'' (; ), also romanized as ''Cha tsai'', is a type of pickled mustard plant stem originating from Chongqing, China. The name may also be written in English as ''cha tsai'', ''tsa tsai'', ''jar choy'', ''jar choi'', ''ja choi'', ''ja ch ...
''. This plant is called "lai xaak" in Assamese and it is cultivated hugely during the winters. It is eaten in any form in Assam and Northeast, be it boiled or added raw in salad, cooked alone or with pork. The
Gorkhas The Gurkhas or Gorkhas (), with endonym Gorkhali ), are soldiers native to the Indian Subcontinent, chiefly residing within Nepal and some parts of Northeast India. The Gurkha units are composed of Nepalis and Indian Gorkhas and are recruit ...
of the
Indian states India is a federal union comprising 28 states and 8 union territories, with a total of 36 entities. The states and union territories are further subdivided into districts and smaller administrative divisions. History Pre-indepen ...
of
Darjeeling Darjeeling (, , ) is a town and municipality in the northernmost region of the Indian state of West Bengal. Located in the Eastern Himalayas, it has an average elevation of . To the west of Darjeeling lies the easternmost province of Nepal, ...
, West Bengal and
Sikkim Sikkim (; ) is a state in Northeastern India. It borders the Tibet Autonomous Region of China in the north and northeast, Bhutan in the east, Province No. 1 of Nepal in the west and West Bengal in the south. Sikkim is also close to the Siligur ...
as well as
Nepal Nepal (; ne, नेपाल ), formerly the Federal Democratic Republic of Nepal ( ne, सङ्घीय लोकतान्त्रिक गणतन्त्र नेपाल ), is a landlocked country in South Asia. It is mai ...
prepare pork with mustard greens (also called ''rayo'' in Nepali). It is usually eaten with relish and steamed rice, but can also be eaten with ''
roti Roti (also known as chapati) is a round flatbread native to the Indian subcontinent. It is popular in India, Sri Lanka, Pakistan, Nepal, Bangladesh, Maldives, Myanmar, Malaysia, Indonesia, Singapore, Thailand, Guyana, Suriname, Jamaica, Trini ...
'' (
griddle A griddle, in the UK also called a girdle, is a cooking device consisting mainly of a broad, usually flat cooking surface. Nowadays it can be either a movable metal pan- or plate-like utensil, a flat heated cooking surface built into a stove or ...
breads). In Nepal it is also a common practice to cook these greens with meat of all sorts, especially goat meat; which is normally prepared in a pressure cooker with minimal use of spices to focus on the flavour of the greens and dry chillies. ''B. juncea'' (especially the seeds) is more pungent than greens from the closely related '' B. oleracea'' (
kale Kale (), or leaf cabbage, belongs to a group of cabbage (''Brassica oleracea'') cultivars grown for their edible leaves, although some are used as ornamentals. Kale plants have green or purple leaves, and the central leaves do not form a head ...
,
broccoli Broccoli (''Brassica oleracea'' var. ''italica'') is an edible green plant in the cabbage family (family Brassicaceae, genus ''Brassica'') whose large flowering head, stalk and small associated leaves are eaten as a vegetable. Broccoli is cl ...
, and
collard greens Collard is a group of certain loose-leafed cultivars of ''Brassica oleracea'', the same species as many common vegetables including cabbage ( Capitata group) and broccoli ( Italica group). Collard is a member of the Viridis group of ''Brassica ...
), and is frequently mixed with these milder greens in a dish of "mixed greens".
Chinese Chinese can refer to: * Something related to China * Chinese people, people of Chinese nationality, citizenship, and/or ethnicity **''Zhonghua minzu'', the supra-ethnic concept of the Chinese nation ** List of ethnic groups in China, people of ...
and
Japanese cuisine Japanese cuisine encompasses the regional and traditional foods of Japan, which have developed through centuries of political, economic, and social changes. The traditional cuisine of Japan (Japanese: ) is based on rice with miso soup and other ...
s also make use of mustard greens. In Japanese cuisine, it is known as ''takana'' and often pickled for use as filling in
onigiri , also known as , , or rice ball, is a Japanese food made from white rice formed into triangular or cylindrical shapes and often wrapped in ''nori''. Traditionally, an onigiri is filled with pickled ume (''umeboshi''), salted salmon, katsuobu ...
or as a condiment. Many varieties of ''B. juncea'' cultivars are used, including ''zha cai'', ''
mizuna , kyona, Japanese mustard greens, or spider mustard, Mark Bittman is a cultivar of ''Brassica rapa'' var. ''niposinica''. Description and use Possessing dark green, serrated leaves, mizuna is described as having, when raw, a "piquant, mild p ...
'', ''takana'' (var. ''integrifolia''), ''juk gai choy'', and ''xuelihong''. Asian mustard greens are most often
stir-fried Stir frying () is a cooking technique in which ingredients are fried in a small amount of very hot oil while being stirred or tossed in a wok. The technique originated in China and in recent centuries has spread into other parts of Asia and t ...
or
pickled Pickling is the process of preserving or extending the shelf life of food by either anaerobic fermentation in brine or immersion in vinegar. The pickling procedure typically affects the food's texture and flavor. The resulting food is called ...
. A
Southeast Asian 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 south-eastern region of Asia, consisting of the regions that are situated south of mainland ...
dish called ''asam gai choy'' or ''kiam chai boey'' is often made with leftovers from a large meal. It involves stewing mustard greens with
tamarind Tamarind (''Tamarindus indica'') is a Legume, leguminous tree bearing edible fruit that is probably indigenous to tropical Africa. The genus ''Tamarindus'' is monotypic taxon, monotypic, meaning that it contains only this species. It belongs ...
, dried
chillies Chili peppers (also chile, chile pepper, chilli pepper, or chilli), from Nahuatl '' chīlli'' (), are varieties of the berry-fruit of plants from the genus ''Capsicum'', which are members of the nightshade family Solanaceae, cultivated for ...
and leftover meat on the bone. Brassica juncea is also known as ''gai choi'', ''siu gai choi'', ''xaio jie cai'', baby mustard, Chinese leaf mustard or ''mostaza''. Lai shak, smashed potato & fried egg plant.jpg, Lai shak, mashed potato & fried egg plant Lai Xaak'or Bhaji.JPG, Fried mustard green dish Gat-gimchi.jpg,
Gat kimchi #REDIRECT GAT {{redirect category shell, {{R from other capitalisation{{R from ambiguous page ...
, a variety of
kimchi ''Kimchi'' (; ko, 김치, gimchi, ), is a traditional Korean side dish of salted and fermented vegetables, such as napa cabbage and Korean radish. A wide selection of seasonings are used, including ''gochugaru'' (Korean chili powder), sprin ...
made with mustard greens Chinesemustardgreens.jpg, Cantonese-style braised mustard greens, with wolfberries


Green manure

Vegetable growers sometimes grow mustard as a
green manure In agriculture, a green manure is a crop specifically produced to be incorporated into the soil while still green. Typically, the green manure's biomass is incorporated with a plow or disk, as is often done with (brown) manure. The primary goal ...
. Its main purpose is to act as a
mulch A mulch is a layer of material applied to the surface of soil. Reasons for applying mulch include conservation of soil moisture, improving fertility and health of the soil, reducing weed growth and enhancing the visual appeal of the area. A mu ...
, covering the soil to suppress weeds between crops. If grown as a green manure, the mustard plants are cut down at the base when sufficiently grown, and left to wither on the surface, continuing to act as a mulch until the next crop is due for sowing, when the mustard is dug in. In the UK, mustard sown in summer and autumn is cut down starting in October. April sowings can be cut down in June, keeping the ground clear for summer-sown crops. One of the disadvantages of using mustard as a green manure is its propensity to harbor club root.


Phytoremediation

This mustard plant is used in
phytoremediation Phytoremediation technologies use living plants to clean up soil, air and water contaminated with hazardous contaminants. It is defined as "the use of green plants and the associated microorganisms, along with proper soil amendments and agronom ...
to remove heavy metals, such as
lead Lead is a chemical element with the symbol Pb (from the Latin ) and atomic number 82. It is a heavy metal that is denser than most common materials. Lead is soft and malleable, and also has a relatively low melting point. When freshly cu ...
, from the soil in hazardous waste sites because it has a higher tolerance for these substances and stores the heavy metals in its cells. In particular, ''Brassica juncea'' was particularly effective at removing
cadmium Cadmium is a chemical element with the symbol Cd and atomic number 48. This soft, silvery-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. Like zinc, it demonstrates oxidation state +2 in most of ...
from soil. The process of removing heavy metals ends when the plant is harvested and properly discarded. Phytoremediation has been shown to be cheaper and easier than traditional methods for heavy metal reduction in soils. In addition, it has the effect of reducing soil erosion, reducing cross-site contamination.


See also

*''
Sinapis alba White mustard (''Sinapis alba'') is an annual plant of the family Brassicaceae. It is sometimes also referred to as ''Brassica alba'' or ''B. hirta''. Grown for its seeds, used to make the condiment mustard, as fodder crop, or as a green manu ...
'' (formerly ''Brassica alba'') – yellow or
white mustard White mustard (''Sinapis alba'') is an annual plant of the family Brassicaceae. It is sometimes also referred to as ''Brassica alba'' or ''B. hirta''. Grown for its seeds, used to make the condiment mustard, as fodder crop, or as a green manure ...
, another mustard variety *''
Brassica oleracea ''Brassica oleracea'' is a plant species from family Brassicaceae that includes many common cultivars used as vegetables, such as cabbage, broccoli, cauliflower, kale, Brussels sprouts, collard greens, Savoy cabbage, kohlrabi, and gai lan. Its ...
'' – wild cabbage *''
Brassica nigra ''Brassica nigra'', or black mustard, is an annual plant cultivated for its dark-brown-to-black seeds, which are commonly used as a spice. It is native to tropical regions of North Africa, temperate regions of Europe, and parts of Asia. Descri ...
'' – black mustard, another mustard variety *''
Brassica rapa ''Brassica rapa'' is a plant species growing in various widely cultivated forms including the turnip (a root vegetable); napa cabbage, bomdong, bok choy, and rapini. ''Brassica rapa'' subsp. ''oleifera'' is an oilseed which has many common n ...
'' – related family of edible greens used in Asian cooking *''
Brassica carinata ''Brassica carinata'' is a species of flowering plant in the Brassicaceae family. It is referred to by the common names Ethiopian rape or Ethiopian mustard. It is believed to be a hybrid between ''Brassica nigra'' and ''Brassica oleracea''. The ...
'' – Ethiopian mustard *For other edible plants in the family
Brassicaceae Brassicaceae () or (the older) Cruciferae () is a medium-sized and economically important family of flowering plants commonly known as the mustards, the crucifers, or the cabbage family. Most are herbaceous plants, while some are shrubs. The le ...
, see
cruciferous vegetables Cruciferous vegetables are vegetables of the family Brassicaceae (also called Cruciferae) with many genera, species, and cultivars being raised for food production such as cauliflower, cabbage, kale, garden cress, bok choy, broccoli, Brussels spr ...
.


References


Further reading

* .


External links


PROTAbase on ''Brassica juncea''



Mustard Green Manures: Washington State University Extension paper on cover crops.
* {{Taxonbar, from=Q504781 Asian vegetables juncea East Asian cuisine South Asian cuisine African cuisine African-American cuisine South American cuisine Flora of Asia Leaf vegetables Phytoremediation plants