3d image of grandinin skeletal formula

grandinin ellagitannin melaleuca quinquenervia oak quercus alba robur antioxydant astringent wine oak barrel castalagin glycoside lyxose nonahydroxytriphenic acid phosphorylation epidermal growth factor receptor colon carcinoma tannin polyphenol gallotannin macrocycles rendering supplement biological activity bioactive nutrient prescription drug food additive nutraceutica dietary vitamin antioxidant anti-cancer anti-aging healthy aging alternative medicine tcm traditional chinese herbal herbal phytochemical phytotherapy plant herb natural herbalism pharmacognosy pharmacopoeia parasympathomimetic flavonoid