Epigallocatechin gallate
Epigallocatechin gallate (EGCG), also known as epigallocatechin-3-gallate, is the ester of epigallocatechin and gallic acid, and is a type of catechin. EGCG—the most abundant catechin in tea—is a polyphenol under basic research for its potential to affect human health and disease.