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'-Hydroxydaidzein Not applicable 2 capsules/day 2 days 6 Detected (unquantified) KULLING 2001
5,6,7,3',4'-Pentahydroxyisoflavone Not applicable 2 capsules/day 2 days 6 Detected (unquantified) KULLING 2001
5,6,7,4'-Tetrahydroxyisoflavone Not applicable 2 capsules/day 2 days 6 Detected (unquantified) KULLING 2001
5,7,8,3',4'-Pentahydroxyisoflavone Not applicable 2 capsules/day 2 days 6 Detected (unquantified) KULLING 2001
5,7,8,4'-Tetrahydroxyisoflavone Not applicable 2 capsules/day 2 days 6 Detected (unquantified) KULLING 2001
6,7,3',4'-Tetrahydroxyisoflavone Not applicable 2 capsules/day 2 days 6 Detected (unquantified) KULLING 2001
6,7,4'-Trihydroxyisoflavone Not applicable 2 capsules/day 2 days 6 Detected (unquantified) KULLING 2001
7,8,3',4'-Tetrahydroxyisoflavone Not applicable 2 capsules/day 2 days 6 Detected (unquantified) KULLING 2001
7,8,4'-Trihydroxyisoflavone Not applicable 2 capsules/day 2 days 6 Detected (unquantified) KULLING 2001
Daidzein Not applicable 2 capsules/day 2 days 6 Detected (unquantified) KULLING 2001
Equol Not applicable 2 capsules/day 2 days 6 Detected (unquantified) KULLING 2001
Genistein Not applicable 2 capsules/day 2 days 6 Detected (unquantified) KULLING 2001
Glycitein Not applicable 2 capsules/day 2 days 6 Detected (unquantified) KULLING 2001
Orobol Not applicable 2 capsules/day 2 days 6 Detected (unquantified) KULLING 2001