Abstract
Background The plant Berberis aristata is traditionally used and scientifically validated for treating obesity and hyperlipidemia. It is also traditionally used to treat gynecological abnormalities. Therefore, the present study was designed to evaluate the therapeutic potential of Berberis aristata for obesity related reproductive changes and chemically characterize it. Methods High fat diet was given to 36 female rats for six weeks to induce obesity and infertility. These obese rats were treated with 10 mg/kg orlistat or the plant extract at 125-500 mg/kg for 45 days. Results The GC-MS analysis of the plant extract included fructose, thymic acid and other hydrocarbons. The plant extract revealed a remarkable free radical scavenging activity. The treated animals exhibited a decrease in total cholesterol and triglycerides (p<0.001), insulin and leptin levels (p<0.05), visceral fat and body weights while increasing the estradiol level at 500 mg/kg dose of the plant extract as compared with untreated animals as demonstrated from the histology of the ovary. Oxidative stress biomarkers such as superoxide dismutase, nitric oxide, malondialdehyde and reduced glutathione were significantly (p<0.01-0.001) ameliorated in treated rats. Conclusion B. aristata exhibited substantial potential against obesity induced reproductive damage in female rats by reducing oxidative stress and resistance to leptin and insulin.
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