Chaparral Constituents: "18 distinct flavone and flavonol aglycones, a dihydroflavonol, larreic acid, two guaiuretic acid lignins including (most important) nordihydroguaiuretic acid (NDGA), and several quercetin bioflavonoids, (NDGA) content ranges from 1-1 and 1/2% of the dry plant." Ref. A p.27-28. |