综述 Review

猪胃肠道谷氨酸代谢及其对机体健康的影响

  • 黄博 ,
  • 胡佳宇 ,
  • 吴苗苗 ,
  • 肖昊 ,
  • 张军 ,
  • 谭碧娥 ,
  • 印遇龙
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  • 1. 中国科学院亚热带农业生态研究所, 中国科学院亚热带农业生态过程重点实验室, 湖南省 畜禽健康养殖工程技术中心, 农业部中南动物营养与饲料科学观测实验站, 长沙 410125;
    2. 中国科学院大学, 北京 100049

收稿日期: 2015-06-12

  网络出版日期: 2015-11-21

基金资助

国家自然科学基金(31110103909,31330075,31372326);中国科学院青年创新促进会(2014336)

Metabolism of Glutamic Acid in Gastrointestinal Tract and Its Effects on Health of Pigs

  • HUANG Bo ,
  • HU Jiayu ,
  • WU Miaomiao ,
  • XIAO Hao ,
  • ZHANG Jun ,
  • TAN Bi ,
  • YIN Yulong
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  • 1. Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Hunan Provincial Engineering Research Center of Healthy Livestock and Poultry, Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China;
    2. University of the Chinese Academy of Sciences, Beijing 100049, China

Received date: 2015-06-12

  Online published: 2015-11-21

摘要

谷氨酸是组成蛋白质或肽的结构氨基酸之一。胃和小肠能吸收游离谷氨酸,结肠上皮细胞及结肠微生物也能利用肠腔内的谷氨酸。食物中的谷氨酸在胃肠道被大量代谢,为肠道完整性和功能维持提供了大量三磷酸腺苷(ATP),是胃肠道的主要能量来源。此外,谷氨酸是谷氨酰胺等其他氨基酸以及一些生物活性分子的前体,发挥着营养、免疫调节和抗氧化应激等生理作用。本文综述谷氨酸在猪胃肠道的代谢机制及其对机体健康的影响。

关键词: ; 谷氨酸; 代谢; 胃肠道; 健康

本文引用格式

黄博 , 胡佳宇 , 吴苗苗 , 肖昊 , 张军 , 谭碧娥 , 印遇龙 . 猪胃肠道谷氨酸代谢及其对机体健康的影响[J]. 动物营养学报, 2015 , 27(11) : 3326 -3331 . DOI: 10.3969/j.issn.1006-267x.2015.11.002

Abstract

Glutamic acid is one of constituents of protein or peptide. The free glutamic acid can be absorbed by the stomach and small intestine and also can be utilized by colonic epithelial cells and its microbes. The most of glutamic acid in diets is metabolized in the gastrointestinal tract, which provides plenty of adenosine triphosphate (ATP) to maintain the gut integrity and functions and is used as the main energy source of the gastrointestinal tract. In addition, as the principal precursor of other amino acids and bioactive molecules, glutamic plays nutritional, immunoregulatory and anti-oxidative functions. In the present review, the metabolism of glutamic acid in the gastrointestinal tract and its effects on the health of pigs were summarized.

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