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
1,5-Dicaffeoylquinic acid Not applicable 160 mg/kg bw Single dose 4 Detected (unquantified) Detected (unquantified) YANG 2005
1,5-Diferuloylquinic acid Not applicable 160 mg/kg bw Single dose 4 Detected (unquantified) Detected (unquantified) YANG 2005
1-Caffeoyl-5-feruloylquinic acid Not applicable 160 mg/kg bw Single dose 4 Detected (unquantified) YANG 2005
1-Feruloyl-5-caffeoylquinic acid Not applicable 160 mg/kg bw Single dose 4 Detected (unquantified) YANG 2005