Prasain J.K., Jones K., Brissie N., Moore R., Wyss J.M., Barnes S. (2004) Identification of puerarin and its metabolites in rats by liquid chromatography-tandem mass spectrometry. J Agric Food Chem 52:3708-12 PubMed (15186086)

Urine analysed without enzymatic deconjugation

Excretion in Urine (µmol/mL)
Number Dose Multiple Dose Duration Time (hours) Metabolite
0 2 12 23.5 35 57.5
1 50 mg/kg bw/3 days 12 days 0 0 0.0029 0.01 0.0029 0.0005
Daidzein
2 50 mg/kg bw/3 days 12 days 0 0 0.004 0.02 0.0086 0.0004
Dihydrodaidzein
3 50 mg/kg bw/3 days 12 days 0 0 0.0001 0.02 0.04 0.01
Equol
4 50 mg/kg bw/3 days 12 days 0 0 1.15 0.03 0.02 0.01
Puerarin
Ml)&chxp=1,50|3,50&chd=t:0.0,2.0,12.0,23.5,35.0,57.5|0.0,0.0,0.0029,0.01,0.0029,0.0005|0.0,2.0,12.0,23.5,35.0,57.5|0.0,0.0,0.004,0.02,0.0086,0.0004|0.0,2.0,12.0,23.5,35.0,57.5|0.0,0.0,0.0001,0.02,0.04,0.01|0.0,2.0,12.0,23.5,35.0,57.5|0.0,0.0,1.15,0.03,0.02,0