| 蛋氨酸来源调控机体蛋氨酸代谢的研究进展 |
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| 引用本文： | 计峰,武书庚,张海军,岳洪源,姚斌,齐广海.蛋氨酸来源调控机体蛋氨酸代谢的研究进展[J].中国畜牧杂志,2011,47(19). |
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| 作者姓名： | 计峰 武书庚 张海军 岳洪源 姚斌 齐广海 |
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| 作者单位： | 中国农业科学院饲料研究所,农业部饲料生物技术重点开放实验室,北京,100081 |
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| 基金项目： | 现代农业产业技术体系建设专项资金(CARS-41-K13); 国家科技支撑计划(2011BAD26B03); 中国博士后科学基金项目(20090460412) |
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| 摘 要： | 蛋氨酸是畜禽必需氨基酸之一,常用蛋氨酸类添加物包括DL-蛋氨酸(DL-methionine,DLM)和蛋氨酸羟基类似物(Methionine hydroxyl analogue,MHA)等。关于此两类蛋氨酸源生物学效价研究较多,但结果并不一致,因此近年来的研究试图揭示不同蛋氨酸源调控蛋氨酸代谢的规律,以寻求效价异同的理化机制。本文综述了近年来有关蛋氨酸源在动物体内吸收和代谢方面的研究,以便为正确评价其生物学效价和在生产实践中合理使用提供理论依据。
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| 关 键 词： | 蛋氨酸 蛋氨酸羟基类似物 代谢酶 代谢产物 |
Research Advances in the Regulation of Methionine Metabolism by Methionine Sources and Levels |
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| JI Feng
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WU Shu-geng
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ZHANG Hai-jun
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YUE Hong-yuan
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YAO Bin
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QI Guang-hai.Research Advances in the Regulation of Methionine Metabolism by Methionine Sources and Levels[J].Chinese Journal of Animal Science,2011,47(19). |
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| Authors: | JI Feng WU Shu-geng ZHANG Hai-jun YUE Hong-yuan YAO Bin QI Guang-hai |
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| Institution: | JI Feng,WU Shu-geng,ZHANG Hai-jun,YUE Hong-yuan,YAO Bin,QI Guang-hai (Key Laboratory of Feed Biotechnology of Ministry of Agriculture,Feed Research Institute of Chinese Academy of Agricultural Sciences,Beijing 100081,China) |
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| Abstract: | Methionine is the first-limiting amino acid in most poultry diets.Two sources,methionine hydroxyl analogue(MHA) and Met(DLM),are commercially available.Numerous studies have been conducted to compare the efficacy of MHA and DLM.However,the results of several of these studies have been inconclusive or seemed to be inconsistent.More and more researches have been done to compare the metabolism of MHA and DLM in their utilization as sources of L-Met.The research advances in the regulation of Met metabolism by M... |
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| Keywords: | methionine methionine hydroxyl analogue metabolic enzyme metabolite |
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