Table. 3. Organ weights of rats in the sub-acute toxicity study for the control group and the groups treated with different doses of the test extract of W. volubilis.

Absolute organ weight (g)	Vehicle	125 mg/kg	250 mg/kg	500 mg/kg
Liver	4.33 ± 0.45	4.62 ± 0.53	4.29 ± 0.38	5.05 ± 0.64
Kidney	1.17 ± 0.11	1.23 ± 0.10	1.34 ± 0.15	1.38 ± 0.11
Pancreas	1.04 ± 0.09	0.97 ± 0.03	1.02 ± 0.08	1.12 ± 0.13

Data are expressed as means ± SEMs, n = 6, for each group. No statistical difference was found between the control group and the test groups treated with extract of W. volubilis (P < 0.05).