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Heart-Protective Effects of Echinodorus grandiflorus in Rabbits That Are Fed a High-cholesterol Diet.

08:00 EDT 21st June 2018 | BioPortfolio

Summary of "Heart-Protective Effects of Echinodorus grandiflorus in Rabbits That Are Fed a High-cholesterol Diet."

Excess weight and dyslipidemia are among the most serious health problems in Western societies. These conditions enhance the risk of cardiac disease and have been linked with a higher prevalence of cardiac arrhythmias and sudden death. The present study investigated the cardioprotective effects of on ventricular remodeling in rabbits that were fed a 1% cholesterol-rich diet. We first obtained an ethanol-soluble fraction of and performed a detailed phytochemical study by liquid chromatography-DAD/ESI-MS. For 60 days, male rabbits were fed the cholesterol-rich diet or a diet without the addition of cholesterol. After 30 days, different groups of rabbits were treated with the ethanol-soluble fraction of (10, 30, and 100 mg/kg, p. o.), simvastatin (2.5 mg/kg), or vehicle once daily for 30 days. At the end of 60 days, the serum lipoprotein ratio, electrocardiographic profile, histopathological alterations, and the cardiac antioxidant defense system were investigated. Echocardiographic analysis showed morphological and functional alterations in cholesterol-rich diet-fed animals, indicating left ventricle hypertrophy. The total cholesterol/high-density lipoprotein ratio and low-density lipoprotein/high-density lipoprotein ratio were significantly higher in cholesterol-rich diet-fed rabbits. Myocardial flaccidity, fatty degeneration, and concentric left ventricular hypertrophy were observed. An increase in lipid peroxidation levels, a decrease in superoxide dismutase activity, and a decrease in reduced glutathione levels were observed in the myocardium of all cholesterol-rich diet-fed rabbits. Treatment with the ethanol-soluble fraction of , especially the highest dose, significantly reduced all of these alterations, thus demonstrating the cardioprotective effect of the ethanol-soluble fraction of on cardiac changes that are induced by a cholesterol-rich diet.

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Name: Planta medica
ISSN: 1439-0221
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The species Oryctolagus cuniculus, in the family Leporidae, order LAGOMORPHA. Rabbits are born in burrows, furless, and with eyes and ears closed. In contrast with HARES, rabbits have 22 chromosome pairs.

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An order of small mammals comprising two families, Ochotonidae (pikas) and Leporidae (RABBITS and HARES). Head and body length ranges from about 125 mm to 750 mm. Hares and rabbits have a short tail, and the pikas lack a tail. Rabbits are born furless and with both eyes and ears closed. HARES are born fully haired with eyes and ears open. All are vegetarians. (From Nowak, Walker's Mammals of the World, 5th ed, p539-41)

A genus of the family CALICIVIRIDAE, associated with infections in rabbits and hares, responsible for epidemics with high mortality. RABBIT HEMORRHAGIC DISEASE VIRUS is the type species.

Oils high in unsaturated fats extracted from the bodies of fish or fish parts, especially the livers. Those from the liver are usually high in vitamin A. The oils are used as dietary supplements, in soaps and detergents, as protective coatings, and as a base for other food products such as vegetable shortenings.

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