Parameters Control group Tannic acid treated group Methomyl-treated group Tannic acid-pretreated methomyl-treated group GSH (µmol/mg protein) 47±3.5 42±2.4 38±3.9*** 61±5.2+++ GR (U/mg protein) 38±0.8 46±2.1 24±1.5*** 35±1.4+++ GST (µmol/min/mg protein) 15.2±0.2 14.5±0.08 9.4±0.13*** 14.7±0.09+++ LDH (U/g) 65.5±2.4 62.2±3.2 82.6±2.7*** 69.4±1.7+++ SOD (U/mg protein) 2345±10 2325±24 1534±45*** 2308±38+++ CAT (U/mg protein) 1.25±0.05 1.34±00.7 1.02±0.01** 1.21±0.04++ Values expressed as mean ± SD of six separate experiments. ** P <0.01 and ***P < 0.001 vs. control group, ++P <0.01 and +++P < 0.001 vs. methomyl- treated group.

Table 1: Effect of methomyl and tannic acid on reduced glutathione (GSH) content and activities of glutathione reductase (GR), glutathione S-transferase (GST), lactate dehydrogenase (LDH), superoxide dismutase (SOD) and catalase (CAT) in liver of mice.