Urine Plasma  
Polyphenol metabolite Composition of the [polyphenol] source 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 3-O-gallate Food administered
Generic food
400 mL Single dose 5 Detected (unquantified) DEL RIO 2010
(-)-Epigallocatechin 3-O-gallate Food administered
Generic food
400 mL Single dose 5 1.4 0.07 Graph DEL RIO 2010
Gallic acid Food administered
Generic food
400 mL Single dose 20 5.8 DEL RIO 2010