3d image of gallocatechin gallate skeletal formula

gallocatechin gallate gcg egcg epigallocatechin-3-gallate ester epigallocatechin gallic acid catechin tea polyphenol dietary supplements green white black thearubigins apple skin plums onions hazelnuts pecans carob bioavailability supplement biological activity bioactive nutrient prescription drug food additive nutraceutica dietary antioxidant anti-cancer anti-aging healthy aging alternative medicine traditional chinese herbal herbal phytochemical phytotherapy plant herb natural herbalism pharmacognosy pharmacopoeia molecule molecular formula 3d