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
Cyanidin Food administered
15 g/kg diet 15 days 6 Detected (unquantified) TALAVERA 2005
20 g/kg diet 24 hours 8 Detected (unquantified) FELGINES 2009
Cyanidin 3-O-(6''-dioxalyl-glucoside) Food administered
15 g/kg diet 15 days 6 Trace amount TALAVERA 2005
20 g/kg diet 24 hours 8 Detected (unquantified) Detected (unquantified) FELGINES 2009
Cyanidin 3-O-glucoside Food administered
15 g/kg diet 15 days 6 Detected (unquantified) 0.15 nmol/mL after 15 days TALAVERA 2005
20 g/kg diet 24 hours 8 Detected (unquantified) 0.11 nmol/mL after 12 days FELGINES 2009
Peonidin Food administered
15 g/kg diet 15 days 6 Detected (unquantified) TALAVERA 2005
Peonidin 3-O-glucoside Food administered
15 g/kg diet 15 days 6 Detected (unquantified) Detected (unquantified) TALAVERA 2005
20 g/kg diet 24 hours 8 Detected (unquantified) Detected (unquantified) FELGINES 2009