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反刍动物血液中的游离氨基酸——生理与营养调节

Free amino acids in blood of ruminants--physiological and nutritional regulation.

作者信息

Bergen W G

出版信息

J Anim Sci. 1979 Dec;49(6):1577-89. doi: 10.2527/jas1979.4961577x.

DOI:10.2527/jas1979.4961577x
PMID:393693
Abstract

Tissue free amino acid pools account for only a small fraction of the total amino acid content in the body. Blood of plasma free amino acid pools represent only a very small proportion of tissue free amino pools. Plasma free amino acid profiles have been used as a tool to study nutritional and metabolic aspects of protein status. Static measurements of plasma amino acid levels have limited value as sensitive indicators of protein status because such measurements do not reflect the magnitude of amino acid fluxes in and out free amino acid pools. Use of plasma amino acid profiles, under well defined experimental conditions, in assessing limiting amino acids and essential amino acid requirements in ruminants is discussed.

摘要

组织游离氨基酸库仅占体内总氨基酸含量的一小部分。血浆游离氨基酸库中的血液仅占组织游离氨基酸库的极小比例。血浆游离氨基酸谱已被用作研究蛋白质状态的营养和代谢方面的工具。由于血浆氨基酸水平的静态测量不能反映游离氨基酸库中氨基酸进出的通量大小，因此作为蛋白质状态的敏感指标其价值有限。本文讨论了在明确的实验条件下，利用血浆氨基酸谱评估反刍动物的限制性氨基酸和必需氨基酸需求。

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Free amino acids in blood of ruminants--physiological and nutritional regulation.反刍动物血液中的游离氨基酸——生理与营养调节
J Anim Sci. 1979 Dec;49(6):1577-89. doi: 10.2527/jas1979.4961577x.
2
Amino acid requirements of ruminants.反刍动物的氨基酸需求
Fed Proc. 1970 Jan-Feb;29(1):51-4.
3
Quantitative aspects of nitrogen utilization in ruminants.反刍动物氮利用的定量方面。
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Proceedings: Factors affecting free amino acid and urea nitrogen concentrations in the blood plasma of ruminating calves.论文集：影响反刍犊牛血浆中游离氨基酸和尿素氮浓度的因素
Proc Nutr Soc. 1974 Sep;33(2):34A-35A.
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Effect of dietary protein level on plasma and tissue free amino acid concentrations in nursing lambs.
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Amino acid requirements and non-specific nitrogen.氨基酸需求与非特异性氮
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Selected topics related to the amino acid nutrition of the growing ruminant.与生长反刍动物氨基酸营养相关的选定主题。
Fed Proc. 1970 Jan-Feb;29(1):44-50.

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