Figure 1

(a,b) Serum levels of leptin (ng/ml) in control and obese groups; without ZnSO4, 15 mg ZnSO4, and 30 mg ZnSO4; in male rats and female rats, respectively; (c,d) zinc content in control and obese groups; without ZnSO4, 15 mg ZnSO4, and 30 mg ZnSO4; in male and female rats, respectively; Results are expressed as (mean ± S.D).