| 日粮不饱和脂肪酸对乳脂CLA合成的影响研究进展 |
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| 作者姓名： | 卜登攀 王加启 |
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| 作者单位： | 中国农业科学院畜牧研究所 北京100094 |
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| 基金项目： | 科技部国家“十五”科技攻关计划“奶业重大关键技术研究与产业化技术集成示范”（2002BA51802） |
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| 摘 要： | CLA是一组18碳二烯酸结构和位置异构体的总称,反刍动物产品(尤其乳制品)中CLA含量丰富,是人类天然食物中CLA主要来源,是唯一具有抗癌作用的动物源脂肪酸,已成为最近几年的研究热点。在此,从日粮不饱和脂肪酸对乳脂CLA的生物合成的影响及调节机理方面作了概述。
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| 关 键 词： | 共轭亚油酸 乳脂肪 日粮脂肪 奶牛 |
A Review of Dietary Ployunsaturated Fatty Acid on Milk Conjugated Linoleic Acid Synthesis |
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| Authors: | Bu Deng pan Wang Jiaqi |
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| Institution: | China Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100094 |
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| Abstract: | Conjugated linoleic acid (CLA) refers to a group of geometric and positional isomers of linoleic acid (cis-9, cis-12 octadecadienoic acid). The richest sources of CLA in the human diet are ruminant origin, and milk products are the predominat source. Studies with animal models have demonstrated diverse range of beneficial health effects and CLA is the only fatty acid shown unequivocally to inhibit carcinogenesis in experimental animals. In the following sections we will provide background on CLA''s biosyntheisis in dairy cows, and discuss recent developments of the effects of dietary polyunsaturated fatty acid on milk CLA content. |
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| Keywords: | Conjugated linoleic acid Milk fat Dietary fat Cow |
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