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
(+)-Catechin Not applicable 172 µmol/kg bw Single dose 5 7.21 µmol after 24 hours 56.5 Graph a9d716975d07e4a7e41abb50e7f45e82a5a61800f83ed43664b0781ff2caee59 BABA 2001_02
(-)-Epicatechin Not applicable 172 µmol/kg bw Single dose 5 9.43 µmol after 24 hours 76.5 Graph a9d716975d07e4a7e41abb50e7f45e82a5a61800f83ed43664b0781ff2caee59 BABA 2001_02
3'-O-Methylcatechin Not applicable 172 µmol/kg bw Single dose 5 2.53 µmol after 24 hours 18.9 Graph a9d716975d07e4a7e41abb50e7f45e82a5a61800f83ed43664b0781ff2caee59 BABA 2001_02
3'-O-Methylepicatechin Not applicable 172 µmol/kg bw Single dose 5 4.51 µmol after 24 hours 76.5 Graph a9d716975d07e4a7e41abb50e7f45e82a5a61800f83ed43664b0781ff2caee59 BABA 2001_02
  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
(+)-Catechin Not applicable 172 µmol/kg bw Single dose 5 1.05 µmol after 24 hours 0.15 Graph a9d716975d07e4a7e41abb50e7f45e82a5a61800f83ed43664b0781ff2caee59 BABA 2001_02
(-)-Epicatechin Not applicable 172 µmol/kg bw Single dose 5 5.54 µmol after 24 hours 0.82 Graph a9d716975d07e4a7e41abb50e7f45e82a5a61800f83ed43664b0781ff2caee59 BABA 2001_02
3'-O-Methylcatechin Not applicable 172 µmol/kg bw Single dose 5 0.73 µmol after 24 hours 0 Graph a9d716975d07e4a7e41abb50e7f45e82a5a61800f83ed43664b0781ff2caee59 BABA 2001_02
3'-O-Methylepicatechin Not applicable 172 µmol/kg bw Single dose 5 2.65 µmol after 24 hours 0.82 Graph a9d716975d07e4a7e41abb50e7f45e82a5a61800f83ed43664b0781ff2caee59 BABA 2001_02