Objective: Dietary changes play major risk roles in oxidative stress and cardiovascular disease and modulate normal metabolic function. The present study was designed to investigate the ameliorative potential of different extracts of to experimental high-fat diet in wistar rats, and their possible mechanism of action.
Materials And Methods: Male wistar rats were divided into 6 groups (n=6/group) and fed with a standard diet (control), high-fat diet (HFD), high-fat diet supplemented with different extracts and positive control for 9 weeks. High-fat diet induced changes in average body weight and oxidative stress and elevated levels of plasma lipid profile in rats.
Results: Oral administration of methanolic extract of (200 mg/kg) offered a significant dose-dependent protection against HFD-induced oxidative stress, as reflected in the levels of catalase (p<0.001 in the aorta, heart and liver), superoxide dismutase (p<0.001 in the aorta, heart and liver), and glutathione peroxidase (p<0.001 in the aorta, heart and liver). Hyperlipidemia condition assessed in terms of body weight, total cholesterol, free cholesterol, ester cholesterol, phospholipids, triglycerides, and atherogenic index and the results showed significant differences between HFD and non-HFD fed rats (p<0.001). High-fat diet treated rats showed changes in hepatic tissue architecture such as micro and macrovascular steatosis, increased fatty infiltration, and inflammation.
Conclusion: The present study revealed that the methanolic extract of protects against oxidative stress, hyperlipidemia and liver damage.
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