Table 4.

Serum levels of polyphenols

Groups(−)-Epigallocatechin(−)-Epicatechin(−)-Epigallocatechin gallate(−)-Epicatechin gallate
Vehicle only0.36 ± 0.61* (1.2 nmol/L)0.24 ± 0.4 (0.8 nmol/L)1.0 ± 1.1 (2.4 nmol/L)0.2 ± 0.6 (0.7 nmol/L)
Polyphenon E, 250 mg/kg BW/d (8 h)131 ± 33 (440 nmol/L)741 ± 202 (2,600 nmol/L)27 ± 9.0 (61 nmol/L)8.1 ± 3.5 (18 nmol/L)
Polyphenon E, 250 mg/kg BW/d (16 h)24 ± 09 (80 nmol/L)85 ± 38 (290 nmol/L)5.4 ± 9.1 (12 nmol/L)7.4 ± 4.9 (15 nmol/L)
  • * Values are ng/mL (and nmol/L) and are the mean ± SD obtained at termination of the study from rats not receiving the carcinogen.