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
rat studies
4-Hydroxyphenyl-2-propionic acid Not applicable 4 mg/kg bw Single dose 10 Detected (unquantified) COLDHAM 1999
6'-Hydroxy-O-desmethylangolensin Not applicable 4 mg/kg bw Single dose 10 Detected (unquantified) COLDHAM 1999
Dihydrogenistein Not applicable 4 mg/kg bw Single dose 10 Detected (unquantified) COLDHAM 1999
Genistein Not applicable 4 mg/kg bw Single dose 10 Detected (unquantified) COLDHAM 1999
10 mg/kg bw Single dose 5 0.5 0.48 7.6 142 MOON 2006