Li C., Lee M.J., Sheng S., Meng X., Prabhu S., Winnik B., Huang B., Chung J.Y., Yan S., Ho C.T., Yang C.S. (2000) Structural identification of two metabolites of catechins and their kinetics in human urine and blood after tea ingestion. Chem Res Toxicol 13:177-84 PubMed (10725114)

Compound Mean content
(-)-Epigallocatechin 268.85 ┬Ámol/1.2 g
(-)-Epicatechin 110.34 ┬Ámol/1.2 g