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Molecular and cellular biochemistry

Veratric acid ameliorates hyperlipidemia and oxidative stress in Wistar rats fed an atherogenic diet.


PMID 22426778

Abstract

An investigation was made to reveal the protective effects of veratric acid (VA), a phenolic acid against atherogenic diet-induced hyperlipidemic rats. Male albino Wistar rats were fed with atherogenic diet (4% cholesterol, 1% cholic acid, and 0.5% 2-thiouracil) daily for 30 days and treated with VA (40 mg/kg body weight) daily for a period of 30 days. Rats fed with atherogenic diet showed significant (P < 0.05) elevation in the level of plasma lipids, systolic and diastolic blood pressure, oxidative stress markers (thiobarbituric acid reactive substances, lipid peroxides) and significant (P < 0.05) reduction in the activities of enzymatic (superoxide dismutase, catalase, glutathione peroxidase) and non-enzymatic (vitamin C, vitamin E, and reduced glutathione) antioxidants in erythrocytes, plasma, and tissues (liver, kidney, and aorta). Oral administration of VA (40 mg/kg body weight) for 30 days to atherogenic diet fed rats markedly attenuates systolic, diastolic blood pressure and lipid peroxidation products. Further, VA treatment significantly improved enzymatic and non-enzymatic antioxidants levels and showed beneficial effects on lipid profile in atherogenic diet rats. All the above alterations were supported by histopathological observations. These results indicate that oral administration of VA ameliorates atherogenic diet-induced hyperlipidemia in rats by its free radical scavenging; improving the antioxidants and lipid lowering properties.

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