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
rat studies
(-)-epicatechin Not applicable 20 mg/kg bw Single dose 13 Detected (unquantified) Detected (unquantified) NATSUME 2003