Abstract
The aim of the present study was to determine the effect of 2-hydroxy 4-methoxy benzoic acid (HMBA), the active principle of Hemidesmus indicus, an indigenous Ayurvedic medicinal plant in India. We investigated the effect of HMBA on hyperlipidaemia induced by ethanol, exploring food intake, body weight, and hepatic and plasma lipids and lipoproteins. Male Wistar rats weighing 130-180 g were given ethanol (5 g kg(-1) p.o.) daily for 30 days. Subsequently, ethanol-fed rats were given HMBA intragastrically at a dose of 200 microg kg(-1) per day for 30 days. At the end of the total experimental period of 60 days, plasma concentrations of total cholesterol (CHO), triglycerides (TG), lipoproteins (LP), phospholipids (PL), free fatty acids (FFA) and lipoprotein lipase (LPL), and hepatic CHO, TG and PL were measured. Treatment of ethanol-fed rats with HMBA significantly decreased plasma CHO, TG, LP, PL and FFA and hepatic CHO, TG and PL, and increased plasma LPL concentrations compared with values in untreated ethanol-fed rats (all P<0.05). Food intake and average body weight at the end of the experimental period were significantly increased by HMBA administration. In conclusion, administration of HMBA decreased lipids and lipoprotein concentrations significantly in an animal model of ethanol-induced hyperlipidaemia.
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