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
3'-O-Methylcatechin Food administered
0.5 g/100 g bw Single dose 8 Graph a9d716975d07e4a7e41abb50e7f45e82a5a61800f83ed43664b0781ff2caee59 8 µmol/L after 8 days GONTHIER 2003_03
3,4-Dihydroxyphenylacetic acid Food administered
0.5 g/100 g bw Single dose 8 104 µg after 8 days GONTHIER 2003_03
3-Hydroxybenzoic acid Food administered
0.5 g/100 g bw Single dose 8 89.92 µg after 8 days GONTHIER 2003_03
3-Hydroxyhippuric acid Food administered
0.5 g/100 g bw Single dose 8 147.2 µg after 8 days GONTHIER 2003_03
3-Hydroxyphenylacetic acid Food administered
0.5 g/100 g bw Single dose 8 634.4 µg after 8 days GONTHIER 2003_03
3-Hydroxyphenylpropionic acid Food administered
0.5 g/100 g bw Single dose 8 2048 µg after 8 days GONTHIER 2003_03
3-Hydroxyphenylvaleric acid Food administered
0.5 g/100 g bw Single dose 8 Detected (unquantified) GONTHIER 2003_03
4-Hydroxybenzoic acid Food administered
0.5 g/100 g bw Single dose 8 1073.6 µg after 8 days GONTHIER 2003_03
4-Hydroxyhippuric acid Food administered
0.5 g/100 g bw Single dose 8 789.6 µg after 8 days GONTHIER 2003_03
5-(3',4',-dihydroxyphenyl)-γ-valerolactone Food administered
0.5 g/100 g bw Single dose 8 Detected (unquantified) GONTHIER 2003_03
5-(3',4'-dihydroxyphenyl)-valeric acid Food administered
0.5 g/100 g bw Single dose 8 Detected (unquantified) GONTHIER 2003_03
5-(3'-Methoxy-4'-hydroxyphenyl)-γ-valerolactone Food administered
0.5 g/100 g bw Single dose 8 Detected (unquantified) GONTHIER 2003_03
Caffeic acid Food administered
0.5 g/100 g bw Single dose 8 160 µg after 8 days GONTHIER 2003_03
Dihydrocaffeic acid Food administered
0.5 g/100 g bw Single dose 8 37.6 µg after 8 days GONTHIER 2003_03
Ferulic acid Food administered
0.5 g/100 g bw Single dose 8 231.2 µg after 8 days GONTHIER 2003_03
Hippuric acid Food administered
0.5 g/100 g bw Single dose 8 115 µmol/L after 8 days GONTHIER 2003_03
p-Coumaric acid Food administered
0.5 g/100 g bw Single dose 8 935.2 µg after 8 days GONTHIER 2003_03
Phenylacetic acid Food administered
0.5 g/100 g bw Single dose 8 3062.4 µg after 8 days GONTHIER 2003_03
Vanillic acid Food administered
0.5 g/100 g bw Single dose 8 1316.8 µg after 8 days GONTHIER 2003_03