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
Dihydrocaffeic acid Not applicable 100 µmol/kg bw Single dose 0 Detected (unquantified) POQUET 2008
Dihydroferulic acid Not applicable 100 µmol/kg bw Single dose 0 Detected (unquantified) Detected (unquantified) POQUET 2008
Ferulic acid Not applicable 100 µmol/kg bw Single dose 0 Detected (unquantified) Detected (unquantified) POQUET 2008
Isoferulic acid Not applicable 100 µmol/kg bw Single dose 0 Detected (unquantified) Detected (unquantified) POQUET 2008