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
human studies
Quercetin Food administered
1 kg/day 7 days 7 MOON 2000
200 g Single dose 4 0.45 ┬Ámol/L after 1.5 hours DAY 2001
Isorhamnetin Food administered
200 g Single dose 4 0.11 ┬Ámol/L after 1.5 hours DAY 2001
  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
human studies
Quercetin Food administered
200 g Single dose 6 Detected (unquantified) HONG 2004
Isorhamnetin 3-O-glucuronide Food administered
200 g Single dose 4 Detected (unquantified) DAY 2001
Isorhamnetin 4'-O-glucuronide Food administered
200 g Single dose 4 Detected (unquantified) DAY 2001
Quercetin 3'-O-glucuronide Food administered
200 g Single dose 4 Detected (unquantified) DAY 2001
Quercetin 3'-sulfate Food administered
200 g Single dose 4 Detected (unquantified) DAY 2001
Quercetin 3-O-glucuronide Food administered
200 g Single dose 4 Detected (unquantified) DAY 2001