通过寡糖调节提高乙醇水系统中的乳酸稳定性:机制和功能影响
Xinmeng Zhang1, Yahong Wang1, Qian Han1
1Key Laboratory of Healthy Beverages, China National Light Industry, Beijing Key Laboratory of Functional Food from Plant Resources, College of Food Science & Nutritional Engineering, China Agricultural University, Beijing 100083, PR China.
International journal of biological macromolecules
|June 28, 2025
概括
像橄果糖,橄银糖和橄氧糖这样的寡糖类增强了乙醇溶液中的乳酸蛋白的稳定性. 这些化合物增加了热化温度,并防止聚合,改善了饮料中的蛋白质应用.
科学领域:
- 食品科学与技术 食品科学与技术
- 生物化学 生物化学
- 蛋白质化学 蛋白质化学
背景情况:
- 蛋白质稳定性对于食品和饮料中的应用至关重要,特别是在含有乙醇的系统中.
- 在乙醇水性环境中,乳酸 (LF) 的稳定性可能会受到损害.
- 已知寡糖与蛋白质相互作用,并可能使其稳定.
研究的目的:
- 研究橄果糖 (FOS),橄银糖 (GOS) 和橄氧糖 (XOS) 对乳酸 (LF) 的形状和热稳定性的影响.
- 探索这些寡糖类作为乙醇水系统中LF稳定剂的潜力.
主要方法:
- 使用差分扫描热量计 (DSC) 来确定变质温度 (Tm) 的热变质研究.
- 在含有乙醇的溶液中评估形状变化和物理稳定性 (聚合,沉).
- 分子对接模拟以阐明寡糖和LF之间的相互作用机制.
主要成果:
- 这三种寡糖 (FOS,GOS,XOS) 都显著提高了乙醇水系统中LF的热变性温度 (Tm).
- FOS,GOS和XOS将LF的Tm从69.1°C提高到79.8°C,73.7°C和76.8°C,分别.
- 寡糖有效地抑制了LF聚合和沉,增强了其物理稳定性,其中键被确定为关键的相互作用机制.
结论:
- 橄果糖,橄糖和橄糖是乙醇水系统中乳酸的有效稳定剂.
- 这些寡糖通过增加Tm和防止聚合,增强了LF的热和物理稳定性.
- 这些发现为改善功能性酒精饮料和相关食品应用中的蛋白质稳定性提供了可行的策略.
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