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논문 기본 정보

저자정보
(University Mohammed I) (University Mohammed I) (University Mohammed I) (University Mohammed I) (University Mohammed I) (INRAE) (University Mohammed I) (University Mohammed I)
저널정보
한국식품영양과학회 Preventive Nutrition and Food Science Preventive Nutrition and Food Science Vol.25 No.3
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    초록·키워드

    Hyperlipidemia and oxidative stress are risk factors for atherosclerosis. In this study, we investigated the hypolipidemic and anti-lipoprotein oxidation activities of polyphenol-rich extracts from almond hulls using Triton WR-1339 and high-fat diet-induced hyperlipemic mice as experimental models. We demonstrated that the almond hull extract significantly reduced total cholesterol, triglycerides and low-density lipoprotein-related plasma cholesterol (LDL-C) in the two experimental models of hyperlipidemia, but significantly increased high-density lipoprotein-related plasma cholesterol (HDL-C). Another beneficial effect of the extract was its ability to reduce the atherogenic index and LDL-C/HDL-C ratio. However, the extract exhibited effective antiradical activity against 2,2-diphenyl-1-picrylhydrazyl and significantly protected lipoprotein-rich plasma from mice against oxidation induced by copper ion. The extract contains 342.63±3.44 ㎎/g total phenolics, 144.67±6.83 ㎎/g tannins, and 20.66±0.92 ㎎/g flavonoids. These finding indicate that almond hulls contain polar products able to lower plasma lipid concentrations and which might be beneficial for the treatment of hyperlipidemia and prevention of atherosclerosis.

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