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
black tea Food administered
Generic food
5 cups/day 28 days 10 221 µg after 24 hours HODGSON 2000
black tea Food administered
Generic food
1 cups/hour 3 hours 2 Detected (unquantified) HODGSON 2000
epicatechin Not applicable 200 mg Single dose 12 Graph LOKE 2009
epigallocatechin gallate Not applicable 200 mg Single dose 12 Graph Graph LOKE 2009
quercetin Not applicable 200 mg Single dose 12 Graph Graph LOKE 2009