epigallocatechin gallate egcg green tea polyphenol molecule. has antioxidant properties and may contribute to health effects of.

epigallocatechin gallate egcg green tea polyphenol molecule has antioxidant properties may contribute health effects gallic acid catechin flavanoid flavanol anticancer cancer extract atoms atomic model molecular compound composition chemical chemistry bond structure formula are represented as spheres conventional color coding hydrogen white carbon grey oxygen red