Organ Methomyl-treated group Tannic acid-pretreated methomyl-treated group
Liver 36.3 ± 2.5 48.4 ± 2.5NS
Spleen 275.0 ± 12.0 612.0  ± 56.0**
Kidney 212.4± 27.0 195.0 ± 42.0NS
Stomach 67.0 ± 4.5 143.0 ± 10.2***
Intestine 138.0 ± 16.0  123.0 ± 18.4NS
Lung 756.0 ± 57.0 546.0 ± 18.0**
Values expressed as mean ± SD of six separate experiments. ** P <0.0 and **P 0.001 vs. methomyl- treated group.
Table 2: Distribution of methomyl in different organs (μg/g tissue) of the mice injected with the pesticide in a dose of 7 mg/ Kg body weight.