Saint Johnswort Constituents: "The red pigment hypericin is the main active constituent, but there are also bioactive oils, resins, anti microbial rottlerin-type compounds, hypericum xanthones, and procyanidins that all contribute to its effects." Ref. B p.154 "Also a poly phenolic flavonoid, hyperoside, tannin, 8-9% in whole herb, 16% in flower., carotene, Vitamin C." L ref. D p.204 |