white mustard(redirected from Sinapis alba)
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the ripe seeds of Brassica hirta; less pungent than black mustard, but with sinalbin, myrosin salts, glucose, and oils. Traditionally considered a digestive irritant and stimulant.
white mustardHerbal medicine
An annual plant primarily used as a seasoning, but which may be used topically as a plaster for minor pain.
If left in place for too long, mustard plasters may cause vesication.