Effects of Auricularia polytricha Powder with Different Partical Sizes and Doses on Weight Loss and Lipid-Lowering of Obese Rats

HUANG Wenli, LI Qiang, LI Xiaolin, CHEN Zuqin, ZHENG Linyong

doi:10.3969/j.issn.1006-267x.2014.11.026

2014 , Vol. 26 >Issue 11: 3380 - 3386

DOI: https://doi.org/10.3969/j.issn.1006-267x.2014.11.026

Feed Science and Technology

Effects of Auricularia polytricha Powder with Different Partical Sizes and Doses on Weight Loss and Lipid-Lowering of Obese Rats

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1. Biotechnology and Nuclear Technology Institute, Sichuan Academy of Agricultural Science, Chengdu 610066, China;
2. College of Life Sciences, Sichuan University, Chengdu 610064, China;
3. Soil and Fertilizer Research Institute, Sichuan Academy of Agricultural Science, Chengdu 610066, China;
4. Sichuan Academy of Agricultural Science, Chengdu 610066, China

Received date: 2014-05-05

Online published: 2014-11-17

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Abstract

In order to study the effects of Auricularia polytricha powder with different doses on weight loss and lowering blood lipid of high-fat nutritional diet-induced obesity SD rats. SD rats were used as obesity models by feeding them with high fat nutrition for 2 weeks, followed by administrating with different partical size (300 to 400 mesh and more than 400 mesh) or dose (1 250, 1 000 and 750 mg/kg) of Auricularia polytricha powder for 42 days. Body weight and food intake of rats were recorded. Meanwhile, the lipid levels in blood and body also were calculated after intervention. The results showed that animal model was made successfully, and there was no significant difference in total food and calorie intake and food utilization rate of rats among all groups (P>0.05). However, 300 to 400 mesh and more than 400 mesh of Auricularia polytricha powder with high dose (1 250 g/kg) and medium dose (1 000 g/kg) could significantly reduce the body weight and body weight gain of obesity rats than those in the model control group (P<0.05). Fat weight, fat body ratio, serum total cholesterol and low density lipoprotein cholesterol (LDL-C) contents of rats fed with 300 to 400 mesh high dose or more than 400 mesh high dose were significantly lower than those of the model control group. It can be concluded that 300 to 400 mesh and more than 400 mesh of Auricularia polytricha powder possesses certain effects both on weight loss and lipid-lowering.

Key words： Auricularia powder; food intake; weight loss; lipid-lowering

Cite this article

HUANG Wenli, LI Qiang, LI Xiaolin, CHEN Zuqin, ZHENG Linyong . Effects of Auricularia polytricha Powder with Different Partical Sizes and Doses on Weight Loss and Lipid-Lowering of Obese Rats[J]. Chinese Journal of Animal Nutrition, 2014 , 26(11) : 3380 -3386 . DOI: 10.3969/j.issn.1006-267x.2014.11.026

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