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
(-)-Epicatechin Food administered
1.2 g Single dose 5 Graph a9d716975d07e4a7e41abb50e7f45e82a5a61800f83ed43664b0781ff2caee59 LI 2000
2.4 g Single dose 1 17.03 µmol after 6 days LI 2000
(-)-Epigallocatechin Food administered
1.2 g Single dose 5 Graph a9d716975d07e4a7e41abb50e7f45e82a5a61800f83ed43664b0781ff2caee59 LI 2000
2.4 g Single dose 1 56.54 µmol after 6 days LI 2000
20 mg/kg bw Single dose 4 14 1.02 Graph a9d716975d07e4a7e41abb50e7f45e82a5a61800f83ed43664b0781ff2caee59 MENG 2001
5-(3',4',-dihydroxyphenyl)-γ-valerolactone Food administered
20 mg/kg bw Single dose 5 Graph a9d716975d07e4a7e41abb50e7f45e82a5a61800f83ed43664b0781ff2caee59 Graph a9d716975d07e4a7e41abb50e7f45e82a5a61800f83ed43664b0781ff2caee59 LI 2000
1.2 g Single dose 5 Graph a9d716975d07e4a7e41abb50e7f45e82a5a61800f83ed43664b0781ff2caee59 LI 2000
2.4 g Single dose 1 153.41 µmol after 6 days LI 2000
20 mg/kg bw Single dose 4 Detected (unquantified) Detected (unquantified) MENG 2002
5-(3',4',5'-trihydroxyphenyl)-γ-valerolactone Food administered
20 mg/kg bw Single dose 5 Graph a9d716975d07e4a7e41abb50e7f45e82a5a61800f83ed43664b0781ff2caee59 Graph a9d716975d07e4a7e41abb50e7f45e82a5a61800f83ed43664b0781ff2caee59 LI 2000
1.2 g Single dose 5 Graph a9d716975d07e4a7e41abb50e7f45e82a5a61800f83ed43664b0781ff2caee59 LI 2000
2.4 g Single dose 1 524.34 µmol after 6 days LI 2000
20 mg/kg bw Single dose 4 Detected (unquantified) Detected (unquantified) MENG 2002
(-)-Epigallocatechin 3-O-gallate Food administered
20 mg/kg bw Single dose 4 26.7 Graph a9d716975d07e4a7e41abb50e7f45e82a5a61800f83ed43664b0781ff2caee59 2 0.14 2.7 668 Graph a9d716975d07e4a7e41abb50e7f45e82a5a61800f83ed43664b0781ff2caee59 MENG 2002
4''-O-Methylepigallocatechin 3-O-gallate Food administered
20 mg/kg bw Single dose 4 Trace amount Trace amount MENG 2002
4',4"-O-Dimethylepigallocatechin 3-O-gallate Food administered
20 mg/kg bw Single dose 4 Graph a9d716975d07e4a7e41abb50e7f45e82a5a61800f83ed43664b0781ff2caee59 2 0.02 4.1 77.5 Graph a9d716975d07e4a7e41abb50e7f45e82a5a61800f83ed43664b0781ff2caee59 MENG 2002
4'-O-Methylepigallocatechin Food administered
20 mg/kg bw Single dose 4 52 4.39 Graph a9d716975d07e4a7e41abb50e7f45e82a5a61800f83ed43664b0781ff2caee59 MENG 2001
5-(3',5'-dihydroxyphenyl)-γ-valerolactone Food administered
20 mg/kg bw Single dose 4 Detected (unquantified) 12 0.36 MENG 2002
mouse studies
(-)-Epigallocatechin 3-O-gallate Food administered
0.6 % of ad libitum drinking fluid 0 5 Detected (unquantified) 63.3 after 3 days MENG 2002
4',4"-O-Dimethylepigallocatechin 3-O-gallate Food administered
0.6 % of ad libitum drinking fluid 0 5 Detected (unquantified) 31 after 3 days MENG 2002
5-(3',4',-dihydroxyphenyl)-γ-valerolactone Food administered
0.6 % of ad libitum drinking fluid 0 5 Detected (unquantified) MENG 2002
5-(3',4',5'-trihydroxyphenyl)-γ-valerolactone Food administered
0.6 % of ad libitum drinking fluid 0 5 Detected (unquantified) MENG 2002
5-(3',5'-dihydroxyphenyl)-γ-valerolactone Food administered
0.6 % of ad libitum drinking fluid 0 5 Detected (unquantified) MENG 2002
  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
(-)-Epicatechin Not applicable 1.2 g Single dose 5 Detected (unquantified) LI 2001
(-)-Epigallocatechin Not applicable 1.2 g Single dose 5 Detected (unquantified) LI 2001
(-)-Epigallocatechin 3-O-glucuronide Not applicable 1.2 g Single dose 5 Detected (unquantified) LI 2001
Hippuric acid Food administered
6 g Single dose 17 4.22 mmol after 4 days MULDER 2005
(-)-Epigallocatechin 3'-O-glucuronide Not applicable 3 g Single dose 3 Detected (unquantified) SANG 2008_01
(-)-Epigallocatechin 7-O-glucuronide Not applicable 3 g Single dose 3 Detected (unquantified) SANG 2008_01
4'-O-Methyl-(-)-epicatechin 3'-O-glucuronide Not applicable 3 g Single dose 3 Detected (unquantified) SANG 2008_01
4'-O-Methyl-(-)-epigallocatechin 3'-O-glucuronide Not applicable 3 g Single dose 3 Detected (unquantified) SANG 2008_01
4'-O-Methyl-(-)-epigallocatechin 7-O-glucuronide Not applicable 3 g Single dose 3 Detected (unquantified) SANG 2008_01
5-(3',4',-dihydroxyphenyl)-γ-valerolactone Not applicable 3 g Single dose 3 Detected (unquantified) SANG 2008_01
5-(3',4',5'-trihydroxyphenyl)-γ-valerolactone Not applicable 3 g Single dose 3 Detected (unquantified) SANG 2008_01
5-(3',5'-dihydroxyphenyl)-γ-valerolactone Not applicable 3 g Single dose 3 Detected (unquantified) SANG 2008_01
5-(3',5'-dihydroxyphenyl)-γ-valerolactone 3-O-glucuronide Not applicable 3 g Single dose 3 Detected (unquantified) SANG 2008_01
Epicatechin 3'-O-glucuronide Not applicable 3 g Single dose 3 Detected (unquantified) SANG 2008_01
Procyanidin dimer B4 Not applicable 3 g Single dose 3 Detected (unquantified) SANG 2008_01