动物营养学报 >

2012 , Vol. 24 >Issue 2: 265 - 270

DOI: https://doi.org/10.3969/j.issn.1006-267x.2012.02.011

猪与禽营养

饲粮n-6/n-3多不饱和脂肪酸比例对鹅肌肉脂肪酸组成的影响

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  • 扬州大学动物科学与技术学院,扬州 225009
喻礼怀(1977—),男,江苏大丰人,博士研究生,讲师,研究方向为草食动物营养代谢与调控。E-mail: lhyu@yzu.edu.cn

收稿日期: 2011-08-02

  网络出版日期: 2012-02-07

基金资助

江苏省自然基金基础研究项目(SBK201121885)

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Dietary n-6/n-3 Polyunsaturated Fatty Acid Ratio Affects Muscle Fatty Acid Profiles in Geese

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  • College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China

Received date: 2011-08-02

  Online published: 2012-02-07

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摘要

本文旨在探讨饲粮n-6/n-3多不饱和脂肪酸(PUFA)比例对扬州鹅肌肉脂肪酸组成的影响。试验选取160只健康、体重接近的21日龄扬州鹅,随机分成4组,分别饲喂n-6/n-3 PUFA比例为12∶1、9∶1、6∶1及3∶1的饲粮,于70日龄时取胸肌和腿肌,进行脂肪酸组成的测定。结果表明:1)在胸肌中,亚油酸的含量9∶1组显著高于3∶1组(P<0.05),而与其他各组之间无显著差异(P>0.05);α-亚麻酸的含量3∶1组显著高于6∶1和9∶1组(P<0.05),极显著高于12∶1组(P<0.01)。2)在腿肌中,亚油酸的含量12∶1和6∶1组均显著高于3∶1组(P<0.05),而与9∶1组无显著差异(P>0.05);α-亚麻酸的含量3∶1组显著高于6∶1组(P<0.05),极显著高于12∶1和9∶1组(P<0.01)。综上所述,鹅肌肉中n-6/n-3 PUFA比例随饲粮中该比例的下降而下降,并以3∶1组最低,但除12∶1组的腿肌n-6/n-3 PUFA比例较高外,其他各组比例均在世界卫生组织推荐的适于人体健康的(6∶1)~(10∶1)的比例范围内。

关键词： 多不饱和脂肪酸; n-6/n-3 PUFA比例; 肌肉; 脂肪酸组成

本文引用格式

喻礼怀, 王梦芝, 万小颖, 王剑飞, 王洪荣 . 饲粮n-6/n-3多不饱和脂肪酸比例对鹅肌肉脂肪酸组成的影响[J]. 动物营养学报, 2012 , 24(2) : 265 -270 . DOI: 10.3969/j.issn.1006-267x.2012.02.011

Abstract

The objective of this paper was to investigate the effects of dietary n-6/n-3 polyunsaturated fatty acid (PUFA) ratio on muscle fatty acid profiles of Yangzhou geese. A total of 160 healthy Yangzhou geese with similar weight, aged 21 days, were randomly divided into 4 groups. They were fed the diets with n-6/n-3 PUFA ratios of 12∶1, 9∶1, 6∶1 and 3∶1, respectively. Then the geese were slaughtered at 70 days of age to analyze the fatty acid profiles of breast muscles and leg muscles. The results showed as follows: firstly, in breast muscles, the content of linoleic acid of 9∶1 group was significantly higher than that of 3∶1 group (P<0.05), however, no significant difference was found between 9∶1 group and 12∶1 group or 6∶1 group (P>0.05). As for the content of α-linolenic acid, 3∶1 group was significantly higher than 6∶1 group and 9∶1 group (P<0.05), and higher than 12∶1 group extremely (P<0.01). Secondly, in leg muscles, the content of linoleic acid of 12∶1 group and 6∶1 group was significantly higher than that of 3∶1 group (P<0.05), however, there was no significant difference between 12∶1 group or 6∶1 group and 9∶1 group (P>0.05). The content of α-linolenic acid of 3∶1 group was significantly higher than that of 6∶1 group (P<0.05), and remarkably higher than that of 12∶1 group and 9∶1 group (P<0.01). Taken together, the n-6/n-3 PUFA ratio in muscle of geese decreases with the decrease of the ratio in diet, and that in 3∶1 group is the lowest, but the range of n-6/n-3 PUFA ratio in muscle of geese is from 6∶1 to 10∶1, except for that in leg muscle in 12∶1 group, which matches to the human nutritional requirement recommended by WTO.

Key words： polyunsaturated fatty acids; n-6/n-3 PUFA ratio; muscle; fatty acid profiles

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