3d image of catechin skeletal formula

catechin flavan-3-ol cianidanol cyanidanol d-catechin catechinic acid catechuic cianidol dexcyanidanol secondary metabolite antioxidant polyphenol flavonoid flavone catechu mimosa acacia supplement biological activity bioactive nutrient prescription drug food additive nutraceutica dietary astringent biodegradation biotransformation allelopathy appressorial melanization 3d structure biochemistry herbal medicine terpenoid coumarin parasympathomimetic structural biosynthetic terpene mechanism phytotherapy pharmacopoeia phytoalexin herbal cell