Table 2.
Recovery of green tea catechins and related metabolites in the plasma and skin samples.
| Recovery |
|||
|---|---|---|---|
| Compound | Plasma |
Blister fluid |
Skin biopsy |
| % | % | % | |
| EC | 107±14 | 90±2 | 102±27 |
| EGC | 103±3 | 75±8 | 105±6 |
| EC-O-sulfate | 117±2 | 86±2 | 108±15 |
| EGC-O-glucuronide | 97±2 | 32±5 | 62±13 |
| EG | 93±1 | 104±13 | 96±4 |
Recovery data are expressed as percentages of corresponding standards (mean±SE). Recoveries were performed in technical triplicate at a minimum of three concentrations. EC, epicatechin; EG, ethyl gallate; EGC, epigallocatechin.