The primary active component that is thought to be responsible for these benefits is the compound call Epigallocatechin gallate (EGCG for short). (drjockers.com)
Traditionally used in Japanese tea ceremonies, it is renowned for having a high level of antioxidants known as epigallocatechin gallate (EGCG). (blog.nuts.com)
Friedrich M, Petzke KJ, Raederstorff D, Wolfram S, Klaus S. Acute effects of epigallocatechin gallate from green tea on oxidation and tissue incorporation of dietary lipids in mice fed a high - fat diet. (nature.com)