Table 2.

Blood lymphocyte GST enzyme activity and GST-π levels before and after 4 wk of daily resveratrol administration (1 g QD)

GSTPrePostPost- to pre-intervention ratioP*
Total activity (nmol/min/mg protein)31.5 ± 2.5 (n = 38)32.1 ± 2.5 (n = 38)1.02 (0.92-1.12)0.77
GST-π level (ng/mg protein)4,468 ± 310 (n = 36)5,029 ± 218 (n = 36)1.13 (1.00-1.27)0.10
  • *Paired t test on log-transformed measurements.

  • Geometric mean ± SE; SE was derived from a delta method.

  • Geometric mean ratio (90% CI).