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
Coumestrol Not applicable 1 mg/day 9 days 12 38.6 nmol after 24 hours XU 2000
1 mg/day 93 days 18 33.7 nmol after 24 hours XU 2000
Daidzein Not applicable 1 mg/day 9 days 12 4964 nmol after 24 hours XU 2000
1 mg/day 93 days 18 6688 nmol after 24 hours XU 2000
Dihydrodaidzein Not applicable 1 mg/day 9 days 12 1538 nmol after 24 hours XU 2000
1 mg/day 93 days 18 4163 nmol after 24 hours XU 2000
Enterodiol Not applicable 1 mg/day 9 days 12 251 nmol after 24 hours XU 2000
1 mg/day 93 days 18 511 nmol after 24 hours XU 2000
Enterolactone Not applicable 1 mg/day 93 days 18 2404 nmol after 24 hours XU 2000
Episesaminol Not applicable 1 mg/day 9 days 12 1874 nmol after 24 hours XU 2000
Equol Not applicable 1 mg/day 9 days 12 270 nmol after 24 hours XU 2000
1 mg/day 93 days 18 735 nmol after 24 hours XU 2000
Genistein Not applicable 1 mg/day 9 days 12 6529 nmol after 24 hours XU 2000
1 mg/day 93 days 18 6608 nmol after 24 hours XU 2000
Glycitein Not applicable 1 mg/day 9 days 12 1419 nmol after 24 hours XU 2000
1 mg/day 93 days 18 1739 nmol after 24 hours XU 2000
Matairesinol Not applicable 1 mg/day 9 days 12 10.9 nmol after 24 hours XU 2000
1 mg/day 93 days 18 23.5 nmol after 24 hours XU 2000
O-Desmethylangolensin Not applicable 1 mg/day 9 days 12 8656 nmol after 24 hours XU 2000
1 mg/day 93 days 18 4900 nmol after 24 hours XU 2000