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
isoflavones from soy protein powder Not applicable 0.11 mg/day 9 days 12 1132 nmol after 24 hours XU 2000
isoflavones from soy protein powder Not applicable 1 mg/day 9 days 12 1874 nmol after 24 hours XU 2000
isoflavones from soy protein powder Not applicable 2 mg/day 9 days 12 2782 nmol after 24 hours XU 2000
soya flour Food administered
Generic food
40 g/day 2 days 12 Detected (unquantified) JOANNOU 1995