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The Research on Nutritional Absorbability of Soy Oligopeptides
Author(s): 
Pages: 13-16
Year: Issue:  10
Journal: FOOD AND FERMENTATION INDUSTRIES

Keyword:  大豆低聚肽大豆分离蛋白氮代谢氮平衡动物试验;
Abstract: 研究了补充大豆低聚肽和大豆分离蛋白对大鼠氮代谢的影响,并探讨了大鼠小肠对大豆低聚肽的吸收特点.将雄性SD大鼠30只,随机分为:灌喂水对照组、灌喂大豆低聚肽组和灌喂大豆分离蛋白组.大鼠在适应性喂养及膳食平衡1周后,开始进行代谢试验.结果发现,补充大豆分离蛋白后,大鼠氮平衡值、氮储存率、氮净利用率和表观消化率比补水大鼠分别增高641.03%、591.42%、553.11%和51.80%;而补充大豆低聚肽后,大鼠氮平衡值、氮储存率、氮利用率和表观消化率比补充水大鼠分别增高1061.54%、982.69%、921.20%和71.43%(P<0.05);比补充大豆分离蛋白大鼠分别增高56.75%、56.59%、56.36%和12.94%(P<0.05).由此可得出结论,补充大豆低聚肽可显著提高机体对氮的表观消化率储存率和净氮利用率,并使机体处于较高水平的正氮平衡状态.
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