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Uses

Toxic parts

When eaten in large quantities, the seed and pods have sometimes proved toxic to grazing animals[1].

Edible uses

Notes

Leaves - raw or cooked[2][1][3]. A hot flavour, they can be finely chopped and added to salads or cooked as a potherb[4]. The seedlings can also be used as a salading when about one week old, adding a hot pungency to a salad[2, 27, 183, K].

Immature flowering stems - cooked and eaten like broccoli[4]. Mustard seed is commonly ground into a powder and used as a food flavouring and relish[5][6][7][8][9]. This is the black mustard of commerce, it is widely used as a food relish and as an ingredient of curry[4]. Pungency of mustard develops when cold water is added to the ground-up seed - an enzyme (myrosin) acts on a glycoside (sinigrin) to produce a sulphur compound. The reaction takes 10 - 15 minutes. Mixing with hot water or vinegar, or adding salt, inhibits the enzyme and produces a mild bitter mustard[10]. The seed can also be used whole to season pickles, curries, sauerkraut etc[4][10]. Black mustard has a stronger more pungent flavour than white mustard (Sinapis alba) and brown mustard (B. juncea)[10].

An edible oil is obtained from the seed[2][11][12].

Leaves

Unknown part

Oil

Material uses

A semi-drying oil is obtained from the seed, as well as being edible it is also used as a lubricant, illuminant and in making soap[7][11][13][3].

The plant is often grown as a green manure, it is very fast, producing a bulk suitable for digging into the soil in about 8 weeks[3]. Not very winter hardy, it is generally used in spring and summer. It does harbour the pests and diseases of the cabbage family so is probably best avoided where these plants are grown in a short rotation and especially if club root is a problem.

Mustard oil (allyl isothiocyanate) is used in commercial cat and dog repellent mixtures[14].

Unknown part

Medicinal uses(Warning!)

Mustard seed is often used in herbal medicine, especially as a rubefacient poultice[5]. The seed is ground and made into a paste then applied to the skin[5][11][13][15] in the treatment of rheumatism, as a means of reducing congestion in internal organs[5][16]. Applied externally, mustard relieves congestion by drawing the blood to the surface as in head afflictions, neuralgia and spasms. Hot water poured on bruised seeds makes a stimulant foot bath, good for colds and headaches. Old herbals suggested mustard for treating alopecia, epilepsy, snakebite, and toothache[14]. Care must be taken not to overdo it, since poultices can sometimes cause quite severe irritation to the skin[K]. The seed is also used internally, when it is appetizer, digestive, diuretic, emetic and tonic[5][11][13]. Swallowed whole when mixed with molasses, it acts as a laxative[15]. A decoction of the seeds is used in the treatment of indurations of the liver and spleen. It is also used to treat carcinoma, throat tumours, and imposthumes[14]. A liquid prepared from the seed, when gargled, is said to help tumours of the \"sinax.\"[14]. The seed is eaten as a tonic and appetite stimulant[5][11][13][16].

Hot water poured onto bruised mustard seeds makes a stimulating foot bath and can also be used as an inhaler where it acts to throw off a cold or dispel a headache[5].

Mustard Oil is said to stimulate hair growth. Mustard is also recommended as an aperient ingredient of tea, useful in hiccup. Mustard flour is considered antiseptic[14].

Ecology

Ecosystem niche/layer

Ecological Functions

Green manure


Fumigant

Forage

Nothing listed.

Shelter

Nothing listed.

Propagation

Seed - sow in situ from early spring until late summer in order to obtain a succession of crops. The main crop for seed is sown in April.

Practical Plants is currently lacking information on propagation instructions of Brassica nigra. Help us fill in the blanks! Edit this page to add your knowledge.



Cultivation

An easily grown plant, black mustard is suited to many types of soils except very heavy clays, it grows best on light sandy loams, or deep rich fertile soils[14]. Succeeds in full sun in a well-drained fertile preferably alkaline soil[17]. Prefers a heavy soil in an open position[18]. Another report says that it prefers a light well-drained soil and some shade in the summer[19]. The plant tolerates an annual precipitation of 30 to 170cm, an annual average temperature range of 6 to 27°C and a pH in the range of 4.9 to 8.2[14].

Black mustard is adapted to a wide variety of climatic conditions, it is often grown in the temperate zone though it is mainly suited to tropical areas, and grown chiefly as a rainfed crop in areas of low or moderate rainfall[14]. Black mustard is often cultivated for its edible seed, though it is going out of favour because it rapidly sheds its seeds once they are ripe and this makes it harder to harvest mechanically than the less pungent brown mustard (Brassica juncea).. This is used especially as a food flavouring, though it is also sown with the seeds of garden cress (Lepidium sativum) to provide mustard and cress, a salading eaten when the seedlings are about one week old. Black mustard is also grown as a medicinal plant. It germinates freely and quickly grows rapidly and makes a very useful green manure. The plants are not very winter hardy so the seed is best sown in the spring when grown for its seed whilst it can be sown as late as late summer as a green manure crop.

The flowers have a pleasing perfume, though this is only noticed if several flowers are inhaled at the same time[20].

Crops

Problems, pests & diseases

Associations & Interactions

There are no interactions listed for Brassica nigra. Do you know of an interaction that should be listed here? edit this page to add it.

Polycultures & Guilds

There are no polycultures listed which include Brassica nigra.

Descendants

Cultivars

Varieties

None listed.

Subspecies

None listed.

Full Data

This table shows all the data stored for this plant.

Taxonomy
Binomial name
Brassica nigra
Genus
Brassica
Family
Brassicaceae
Imported References
Material uses & Functions
Botanic
Propagation
Cultivation
Environment
Cultivation
Uses
Edible uses
None listed.
Material uses
None listed.
Medicinal uses
None listed.
Functions & Nature
Functions
Provides forage for
Provides shelter for
Environment
Hardiness Zone
7
Heat Zone
?
Water
moderate
Sun
full sun
Shade
light shade
Soil Texture
Soil Water Retention
Environmental Tolerances
    Ecosystems
    Native Climate Zones
    None listed.
    Adapted Climate Zones
    None listed.
    Native Geographical Range
    None listed.
    Native Environment
    None listed.
    Ecosystem Niche
    None listed.
    Root Zone Tendancy
    None listed.
    Life
    Deciduous or Evergreen
    ?
    Herbaceous or Woody
    ?
    Life Cycle
    Growth Rate
    ?
    Mature Size
    1.2 x 0.6
    Fertility
    Pollinators
    ?
    Flower Colour
    ?
    Flower Type

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    References

    1. ? 1.01.11.2 Harrington. H. D. Edible Native Plants of the Rocky Mountains. University of New Mexico Press ISBN 0-8623-0343-9 (32202/01/01)
    2. ? 2.02.12.2 Hedrick. U. P. Sturtevant's Edible Plants of the World. Dover Publications ISBN 0-486-20459-6 (32202/01/01)
    3. ? 3.03.13.23.33.4 Polunin. O. Flowers of Europe - A Field Guide. Oxford University Press ISBN 0192176218 (32202/01/01)
    4. ? 4.04.14.24.34.4 Facciola. S. Cornucopia - A Source Book of Edible Plants. Kampong Publications ISBN 0-9628087-0-9 (32202/01/01)
    5. ? 5.05.15.25.35.45.55.65.75.8 Grieve. A Modern Herbal. Penguin ISBN 0-14-046-440-9 (32202/01/01)
    6. ? 6.06.1 Mabey. R. Food for Free. Collins ISBN 0-00-219060-5 (32202/01/01)
    7. ? 7.07.17.27.3 Clapham, Tootin and Warburg. Flora of the British Isles. Cambridge University Press (32202/01/01)
    8. ? 8.08.1 Vilmorin. A. The Vegetable Garden. Ten Speed Press ISBN 0-89815-041-8 ()
    9. ? 9.09.1 Harrison. S. Wallis. M. Masefield. G. The Oxford Book of Food Plants. Oxford University Press (32202/01/01)
    10. ? 10.010.110.210.3 Bown. D. Encyclopaedia of Herbs and their Uses. Dorling Kindersley, London. ISBN 0-7513-020-31 (32202/01/01)
    11. ? 11.011.111.211.311.411.511.611.7 Lust. J. The Herb Book. Bantam books ISBN 0-553-23827-2 (32202/01/01)
    12. ? 12.012.1 Hill. A. F. Economic Botany. The Maple Press (32202/01/01)
    13. ? 13.013.113.213.313.413.5 Uphof. J. C. Th. Dictionary of Economic Plants. Weinheim (32202/01/01)
    14. ? 14.014.114.214.314.414.514.614.714.814.9 Duke. J. Handbook of Energy Crops - (32202/01/01)
    15. ? 15.015.115.2 Weiner. M. A. Earth Medicine, Earth Food. Ballantine Books ISBN 0-449-90589-6 (32202/01/01)
    16. ? 16.016.116.2 Foster. S. & Duke. J. A. A Field Guide to Medicinal Plants. Eastern and Central N. America. Houghton Mifflin Co. ISBN 0395467225 (32202/01/01)
    17. ? 17.017.1 Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press ISBN 0-333-47494-5 (32202/01/01)
    18. ? Simons. New Vegetable Growers Handbook. Penguin ISBN 0-14-046-050-0 (32202/01/01)
    19. ? Larkcom. J. Salads all the Year Round. Hamlyn (32202/01/01)
    20. ? Genders. R. Scented Flora of the World. Robert Hale. London. ISBN 0-7090-5440-8 (32202/01/01)



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