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
capsule with soy extract Not applicable 2 capsules/day 2 days 6 Detected (unquantified) KULLING 2001
daidzein capsule Not applicable 1 capsule Single dose 7 0.27 ┬Ámol after 24 hours 7.8 0.01 5.3 113.9 Graph RUFER 2008
daidzein-7-O-glucoside capsule Not applicable 1 capsule Single dose 7 1.9 ┬Ámol after 24 hours 9.1 0.01 4.7 292.2 Graph RUFER 2008
red clover based dietary supplements Food administered
0 4 days 7 Detected (unquantified) HEINONEN 2004_01
soy bars Food administered
3 bars/day 14 days 6 Detected (unquantified) HEINONEN 2004_02
soy bars Food administered
3 bars/day 2 weeks 6 Detected (unquantified) HEINONEN 2003