Urine Plasma  
[polyphenol] source used in experiment Source composition Doses administered Dose duration Total no. subjects Mean urinary excretion (%) Kinetic data Tmax (hours) Mean Cmax (µmol/L) Half life (hours) AUC (µmol/L·h) Kinetic data Reference
human studies
(-)-epicatechin Not applicable 1 g Single dose 4 11.2 mg after 8 hours 292.9 ng/mL after 1 hours NATSUME 2003
reconstituted green tea Not applicable 3 g Single dose 3 Detected (unquantified) SANG 2008_01