Biosynthesis of Thioglycosides

4.3.7 Biosynthesis of Thioglycosides

The seeds of a number of plants belonging to the mustard family comprise of glycosides, the aglycones of which are invariably isothiocyanates. Hence, these glycosides are also known either as thioglycosides or as glucosinolates and mostly form a group of bound toxins.
It has been observed that the aglycone portions of thioglycosides may largely consist of either aliphatic or aromatic derivatives. It is established experimentally that the carboxy-labelled acetate is being inorporated in the allyl moiety of Sinigrin usually present in Brassica juncea.

Sinigrin



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