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番木瓜(L.)汁对高脂果糖饮食大鼠的降血脂作用。

Hypolipidaemic effects of papaya ( L.) juice on rats fed on a high fat and fructose diet.

机构信息

Department of Horticulture and Food Security, Jomo Kenyatta University of Agriculture and Technology, P.O. Box, Nairobi 62000-00200, Kenya.

Department of Crop and Soil Sciences, Botswana University of Agriculture and Natural Resources, Private Bag 0027, Gaborone, Botswana.

出版信息

J Nutr Sci. 2023 Jul 10;12:e76. doi: 10.1017/jns.2023.61. eCollection 2023.

Abstract

Papaya ( L.) is a highly nutritious and less-caloric fruit, commonly consumed for its minerals and vitamins and hence may help in controlling obesity and abdominal discomforts. The present study investigated the hypolipidaemic effects of papaya juice extract on male Albino Wistar rats (7 weeks old; 185 ± 17 g) fed on a high fat and fructose diet (HFFD) for 6 weeks. The rats were divided into groups I-IV of five rats each and fed on either a HFFD (i.e. the Control), HFFD + 200 mg papaya, HFFD + 350 mg papaya or a HFFD + 500 mg papaya. On day 34, after an overnight fast, blood samples were obtained by cardiac puncture under 99⋅8 % Chloroform anaesthesia for the determination of serum triglyceride (TG), total cholesterol (TC), low-density lipoprotein cholesterol (LDL-c) and high-density cholesterol (HDL-c). The atherogenic (AI) and coronary risk (CRI) indices were also calculated. Statistical analysis was performed using ANOVA where means were separated using Tukey's HSD test. Resulted showed that all rats given papaya juice had an increasing, non-significant HDL-c and reduced LDL-c levels while rats fed on HFFD had the highest TC (53⋅2 mg/dl) and TG (37⋅6 mg/dl) levels. Papaya juice statistically reduced the AI and CRI of the rats. In conclusion, consumption of HFFD + 500 mg was the most effective in the reduction of rats' blood lipids and fats, due to its anti-obesity and hypolipidaemic properties, thus can be used in the management of dyspilidaemic disorders.

摘要

番木瓜(L.)是一种营养丰富、热量低的水果,因其矿物质和维生素而被广泛食用,因此可能有助于控制肥胖和腹部不适。本研究调查了番木瓜汁提取物对高脂果糖饮食(HFFD)喂养 6 周的雄性白化 Wistar 大鼠(7 周龄;185±17g)的降血脂作用。将大鼠分为四组,每组 5 只,分别喂食 HFFD(即对照)、HFFD+200mg 番木瓜、HFFD+350mg 番木瓜或 HFFD+500mg 番木瓜。第 34 天,大鼠禁食过夜后,用 99.8%的氯仿麻醉进行心脏穿刺取血,用于测定血清甘油三酯(TG)、总胆固醇(TC)、低密度脂蛋白胆固醇(LDL-c)和高密度胆固醇(HDL-c)。还计算了致动脉粥样硬化(AI)和冠状动脉风险(CRI)指数。使用方差分析进行统计分析,并用 Tukey 的 HSD 检验分离均值。结果表明,所有给予番木瓜汁的大鼠的 HDL-c 均升高,但无统计学意义,LDL-c 水平降低,而喂食 HFFD 的大鼠 TC(53.2mg/dl)和 TG(37.6mg/dl)水平最高。番木瓜汁能显著降低大鼠的 AI 和 CRI。综上所述,由于其抗肥胖和降血脂特性,HFFD+500mg 组对降低大鼠血脂和脂肪最有效,因此可用于治疗血脂异常疾病。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bd7/10345780/89f39e22f93e/S2048679023000617_fig1.jpg

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