Meng X., Sang S., Zhu N., Lu H., Sheng S., Lee M.J., Ho C.T., Yang C.S. (2002) Identification and characterization of methylated and ring-fission metabolites of tea catechins formed in humans, mice, and rats. Chem Res Toxicol 15:1042-50 PubMed (12184788)

Urine analysed after enzymatic deconjugation

Excretion in Urine (µmol/L)
Number Dose Multiple Dose Duration Time (hours) Polyphenol Source
Name as described in publication
0 3 6 9 18 24
1 200 mg Single Dose 0 2 4.7 1.8 0.5 0
epigallocatechin gallate
2 200 mg Single Dose 0 0 4 3 0 0
epigallocatechin
3 200 mg Single Dose 0 1.7 4.7 3.5 1.8 0
epicatechin
L)&chxp=1,50|3,50&chd=t:0.0,3.0,6.0,9.0,18.0,24.0|0.0,2.0,4.7,1.8,0.5,0.0|0.0,3.0,6.0,9.0,18.0,24.0|0.0,0.0,4.0,3.0,0.0,0.0|0.0,3.0,6.0,9.0,18.0,24.0|0.0,1.7,4.7,3.5,1.8,0