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
2,3-Dihydroxybenzoic acid Food administered
1800 mL Single dose 1 Graph ZHANG 2004_01
2,4-Dihydroxybenzoic acid Food administered
1800 mL Single dose 1 Graph ZHANG 2004_01
2-Hydroxybenzoic acid Food administered
1800 mL Single dose 1 Graph ZHANG 2004_01
4-Hydroxyphenylacetic acid Food administered
1800 mL Single dose 1 Graph ZHANG 2004_01
Benzoic acid Food administered
1800 mL Single dose 1 Graph ZHANG 2004_01
Ferulic acid Food administered
1800 mL Single dose 1 Graph ZHANG 2004_01
Sinapic acid Food administered
1800 mL Single dose 1 Graph ZHANG 2004_01