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猪胃肠道谷氨酸代谢及其对机体健康的影响

DOI: 10.3969/j.issn.1006-267x.2015.11.002

Keywords: ,谷氨酸,代谢,胃肠道,健康

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Abstract:

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。

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