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
Caffeoyl C1-glucuronide Not applicable 40 mg/kg bw Single dose 8 Detected (unquantified) ZHANG 2008_02
Isoferulic acid Not applicable 40 mg/kg bw Single dose 8 Detected (unquantified) ZHANG 2008_02
Isoferuloyl C1-glucuronide Not applicable 40 mg/kg bw Single dose 8 Detected (unquantified) Detected (unquantified) ZHANG 2008_02