Page 132 - phytochemistry I - PharmD Clinical
P. 132
Sinalbin is an aromatic glucosinolase obtained from white or yellow
mustard seeds (Sinapis alba).
Sinapine acid sulphate
Hydrolysis:
Sinalbin is hydrolysed by the specific enzyme myrosinase to yield
hydroxybenzyl isothiocyanate, glucose and sinapine acid sulphate.
While, sinigrin is also hydrolysed by myrosinase to yield allyl
isothiocyanate, glucose and potassium bisulphate.
Uses:
Black mustard and white mustard seeds are used as Rubefacient and
Counter irritant (due to their contents of thioglycosides).
Coumarin glycosides
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