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
3,4-Dihydroxyphenylacetic acid Food administered
10 capsules Single dose 2 URPI-SARDA 2009_02
3-Hydroxybenzoic acid Food administered
10 capsules Single dose 2 0 nmol/L after 2.5 hours URPI-SARDA 2009_02
3-Hydroxyphenylacetic acid Food administered
10 capsules Single dose 2 URPI-SARDA 2009_02
3-Hydroxyphenylpropionic acid Food administered
10 capsules Single dose 2 URPI-SARDA 2009_02
4-Hydroxybenzoic acid Food administered
10 capsules Single dose 2 URPI-SARDA 2009_02
4-Hydroxyhippuric acid Food administered
10 capsules Single dose 2 URPI-SARDA 2009_02
Caffeic acid Food administered
10 capsules Single dose 2 URPI-SARDA 2009_02
Dihydrocaffeic acid Food administered
10 capsules Single dose 2 URPI-SARDA 2009_02
Ferulic acid Food administered
10 capsules Single dose 2 URPI-SARDA 2009_02
Homovanillic acid Food administered
10 capsules Single dose 2 URPI-SARDA 2009_02
Isoferulic acid Food administered
10 capsules Single dose 2 URPI-SARDA 2009_02
m-Coumaric acid Food administered
10 capsules Single dose 2 URPI-SARDA 2009_02
p-Coumaric acid Food administered
10 capsules Single dose 2 URPI-SARDA 2009_02
Phenylacetic acid Food administered
10 capsules Single dose 2 URPI-SARDA 2009_02
Protocatechuic acid Food administered
10 capsules Single dose 2 URPI-SARDA 2009_02
Vanillic acid Food administered
10 capsules Single dose 2 URPI-SARDA 2009_02