Occurrence
Diallyl disulfide and trisulfide are produced by decomposition of allicin, which is released upon breaking the cells of the Alliaceae plants, especially garlic. The DADS yield is the highest for the steam distillation of garlic bulbs which contain about 2 wt.% of DADS-rich oil. DADS can also be extracted from garlic leaves, but their oil content is significantly lower at 0.06 wt.%.
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