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
rat studies
Gallic acid Not applicable 20 mg/kg bw Single dose 6 0.2 1.03 0.56 7301.79 Graph GAO 2010
Gallic acid ethyl ester Not applicable 20 mg/kg bw Single dose 6 0.1 2.74 0.19 9282.15 Graph GAO 2010