Showing contents of green tea powder in hot water

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
(-)-Epicatechin 110.34 µmol/1.2 g
(-)-Epigallocatechin 268.85 µmol/1.2 g