外聚糖衍生物对核心外微凝的物理化学特性和稳定性的影响
Yueyuan Yong1, Hafiz Nabeel Ahmad1, Hao Chen2
1Laboratory of Agricultural and Food Biophysics, Institute of Biophysics, College of Science, Northwest A&F University, Yangling, Shaanxi 712100, China; Laboratory of Muscle Biology and Meat Science, National Beef Cattle Improvement Center, Northwest A&F University, Yangling, Shaanxi 712100, China.
Food research international (Ottawa, Ont.)
|November 21, 2025
概括
化学改性酵母外聚糖 (EPS) 增强了基托基微凝的稳定性. 化EPS衍生物显示出高粘素结合能力,为新型食品输送系统提供了潜力.
科学领域:
- 食品科学 食品科学 食品科学
- 材料科学 材料科学 材料科学
- 生物化学 生化学
背景情况:
- 酵母外聚糖 (EPS) 是天然的聚合物,在食品系统中具有潜在的应用.
- 奇托是一种生物相容的多糖,广泛用于药物和食品配送.
- 开发稳定和功能性的微凝系统对于有效的生物活性化合物的输送至关重要.
研究的目的:
- 研究化学修饰酵母EPS衍生物对基托基核微凝稳定性的影响.
- 评估这些微凝系统的物理化学特性和负载能力.
- 探索EPS衍生物在创建新型食品输送系统和抗氧化剂方面的潜力.
主要方法:
- 三种EPS衍生物的制备:碳氧甲基化 (C-EPS),硫化 (S-EPS) 和化 (P-EPS).
- 通过离子凝,制造核心型微凝,使用充满牛血清白蛋白 (BSA) 和粘素的奇托 (内) 和EPS衍生物 (外).
- 使用动态光散射,扫描电子显微镜 (SEM) 和富里埃变换红外光谱 (FTIR) 进行微凝性质的表征.
主要成果:
- EPS衍生品显著提高了核心型微凝的低温稳定性.
- 基于P-EPS的微凝显示出92.37%的高粘氨酸结合能力.
- 该研究确定了EPS衍生品和微凝稳定剂之间的结构性质关系.
结论:
- 化学修饰的酵母EPS衍生物有效地稳定了基托为基础的核心外微凝.
- 化EPS衍生物对有针对性的输送应用有前途,特别是对粘真菌.
- 这些发现为开发先进的多功能天然食物输送系统和抗氧化剂提供了基础.
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