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
3,4-O-Dimethylgallic acid Food administered
Generic food
5 cups/day 28 days 10 142 µg after 24 hours HODGSON 2000
1 cups/hour 3 hours 2 Detected (unquantified) HODGSON 2000
3-O-Methylgallic acid Food administered
Generic food
5 cups/day 28 days 10 221 µg after 24 hours HODGSON 2000
1 cups/hour 3 hours 2 Detected (unquantified) HODGSON 2000
4-O-Methylgallic acid Food administered
Generic food
5 cups/day 28 days 10 1106 µg after 24 hours HODGSON 2000
1 cups/hour 3 hours 2 Detected (unquantified) HODGSON 2000