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
Calycosin Not applicable 120 g/day 5 days 1 Detected (unquantified) XU 2006
Daidzein 7-O-glucuronide Not applicable 120 g/day 5 days 1 Detected (unquantified) XU 2006
Formononetin Not applicable 120 g/day 5 days 1 Detected (unquantified) XU 2006
Formononetin 7-O-glucuronide Not applicable 120 g/day 5 days 1 Detected (unquantified) XU 2006