Brassica NIGRA (L.) Koch.
| Synonym : | Brassica sinapioides Roth Crucifera sinapis (L.) E.H.L.Krause Melanosinapis nigra (L.) Calest. Mutarda nigra (L.) Bernh. Sinapis nigra L. Sisymbrium nigrum (L.) Prantl |
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| Bangla Name : | Kalo Sarisha, Rai Sarisha, Krishnarai. |
| English Name : | Black Mustard, True Mustard. |
| Family : | Brassicaceae |
| Disease : | gout, sciatica and urticant. |
| Description : | An erect annual herb, 60-90 cm high. Leaves 10-15 cm long, lower lyrate-pinatisect, the upper oblong-linear. Racemes at flowerig time corymbose, flowers yellow. Pods small, 1-2 cm long, linear, torulose, seeds globose, 1 mm diam. obscurely brown, black near the hilum. |
| Distribution : | Cultivated in different districts. |
| Chemical Constituents : | Chief constituent of the seeds is a fixed oil which is composed of glycerides of oleic, stearic and brassic acids. It also contains proteins, a glycoside, sinigrin and an enzyme, myrosin which, in presence of water, hydrolyses sinigrin to allyl isothiocya |
| Uses : | Externally oil is stimulant, and internally counter irritant. Seeds are emetic, powdered seeds are used as vesicant and rubefacient. Plaster of mustard is used in gout, sciatica and urticant. Poultices are useful in febrile and inflammatory symptoms, inte |
| Habit : | Herb |