Roowi S., Stalmach A., Mullen W., Lean M.E., Edwards C.A., Crozier A. (2010) Green tea flavan-3-ols: colonic degradation and urinary excretion of catabolites by humans. J Agric Food Chem 58:1296-304

Compound Mean content
(-)-Epicatechin 69 mo/300 mL
(+)-Catechin 18 µmol/300 mL
(-)-Epigallocatechin 190 µmol/300 mL
(+)-Gallocatechin 50 µmol/300 mL
(-)-Epicatechin 3-O-gallate 64 µmol/300 mL
(+)-Gallocatechin 3-O-gallate 4.6 µmol/300 mL
(-)-Epigallocatechin 3-O-gallate 238 µmol/300 mL
Flavanols, total 634 µmol/300 mL
4-Hydroxybenzoic acid 0.1 µmol/300 mL
Protocatechuic acid 0.5 µmol/300 mL
p-Coumaric acid 0.1 µmol/300 mL
Gallic acid 17.3 µmol/300 mL