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Effect of standardized Amla extract on atherosclerosis and dyslipidemia

Author(s): B Antony, B Merina, V Sheeba, J Mukkadan

Emblica officinalis , commonly known as Indian gooseberry ( Amla ), is found to be effective for the reversal of dyslipidemia and intima-media thickening and plaque formation in the aorta in hypercholesterolaemic rabbits. In this study, cholesterol powder (100 mg/kg body weight) was administered orally to healthy NZ white rabbits for 4 mo to induce hypercholesterolaemia; and thereafter, amla extract was given in two doses (10 mg and 20 mg/kg/d orally) for 4 mo. Fasting lipid profile was done monthly and also at the end of treatment. After sacrificing the animals, tissue cholesterol (liver, heart and kidney) and 3-hydroxy-3-methylglutaryl-Coenzyme A reductase activity of liver were estimated and part of aorta and myocardium were processed for histological studies. Feeding of amla extract (10 mg and 20 mg/kg) for 4 mo reversed these changes and the lumen of the aorta became normal as in the normal control group. Reversal of dyslipidemia and atheromatous plaques achieved by amla extract seems to be brought about by a number of factors, such as its ability to prevent low-density lipoprotein oxidation, its antioxidant action, besides decreasing synthesis of cholesterol by inhibiting 3-hydroxy-3-methylglutaryl-Coenzyme A reductase activity and elevating high-density lipoprotein level to enhance reverse cholesterol transport.

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Citations : 53647

Indian Journal of Pharmaceutical Sciences received 53647 citations as per google scholar report