Definition Gruppe der Sekundären Pflanzenstoffe → Polyphenole Einteilung Flavonoide Flavonole Quercetin Myricetin Flavole (Flavan-3-ols) Catechin Epicatechin Antocyanine Nonflavonoide Stilbene Resveratrol Hydroxycinnamates Caffeic, caftaric and coutaric acids Hydroxybenzoate