Watanabe S., Yamaguchi M., Sobue T., Takahashi T., Miura T., Arai Y., Mazur W., Wahala K., Adlercreutz H. (1998) Pharmacokinetics of soybean isoflavones in plasma, urine and feces of men after ingestion of 60 g baked soybean powder (kinako). J Nutr 128:1710-5

Plasma analysed after enzymatic deconjugation

Plasma Concentration (┬Ámol/L)
Number Dose Multiple Dose Duration Time (hours) Metabolite
0 6 8 12 24 72
1 60 g Single Dose 0 1.5 1.2 0.8 0.2 0
Daidzein
2 60 g Single Dose 0 2.4 2.1 1.8 0.8 0.1
Genistein
3 60 g Single Dose 0 0.03 0.3 0.35 0.1 0
Equol
4 60 g Single Dose 0 0.11 0.25 0.2 0.16 0
O-Desmethylangolensin
L)&chxp=1,50|3,50&chd=t:0.0,6.0,8.0,12.0,24.0,72.0|0.0,1.5,1.2,0.8,0.2,0.0|0.0,6.0,8.0,12.0,24.0,72.0|0.0,2.4,2.1,1.8,0.8,0.1|0.0,6.0,8.0,12.0,24.0,48.0|0.0,0.03,0.3,0.35,0.1,0.0|0.0,6.0,8.0,10.0,12.0,24.0|0.0,0.11,0.25,0.2,0.16,0