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Cruciferous Vegetables
Linked via "sulfur-containing secondary metabolites"
Glucosinolates and Chemical Ecology
The defining chemical feature of cruciferous vegetables is the presence of glucosinolates, which are sulfur-containing secondary metabolites. When plant tissue is damaged (e.g., chewed or chopped), the enzyme myrosinase hydrolyzes these compounds, producing isothiocyanates, nitriles, and thiocyanates.
The intensity of these breakdown products directly correlates with the perceived "purity" of the vegetable's elemental s…