益生菌通过在豆蛋白质矩阵中封装在模拟胃肠道消化过程中,通过化修饰改造提高益生菌的活力
Hui Yu1, Qing Kong1, Mengru Wang1
1School of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266500, China.
International journal of biological macromolecules
|January 21, 2024
概括
糖化小豆蛋白 (SCP) 增强了其对微封装益生菌的保护性. 这种新的方法在喷雾干燥和胃肠道消化过程中提高了益生菌的稳定性,为有效的输送提供了新的策略.
科学领域:
- 食品科学 食品科学 食品科学
- 生物技术是生物技术.
- 蛋白质化学 蛋白质化学
背景情况:
- 益生菌在加工和消化过程中需要保护性策略才能生存.
- 豆蛋白 (CP) 是一个潜在的生物材料用于微封装.
- 修改CP可以提高其功能性质.
研究的目的:
- 作为喷雾干燥微封装益生菌的壁材质,研究化豆蛋白 (SCP).
- 评估N-化度对益生菌保护的影响.
- 在喷雾干燥和胃肠道消化过程中评估微囊的稳定性.
主要方法:
- 用N-succinylation修改了小豆蛋白.
- 益生菌通过喷雾干燥使用SCP和马尔托德克斯特林进行微封装.
- 分析了微囊的特性 (形态,颗粒大小,含水量).
- 在喷雾干燥和体外胃肠道消化后评估了益生菌的活力.
主要成果:
- 糖化小豆蛋白增加了表面电荷和减少了颗粒大小.
- 用SCP制成的微囊表现出增强的稳定性和益生菌活力.
- 较高的N-化度与改善的益生菌保护相关.
- 在SCP-3-P样本中,在消化过程中表现出最小的益生菌损失 (0.29Log CFU/g).
结论:
- 糖化小豆蛋白是增强益生菌微封装的有效策略.
- SCP提高了益生菌的生存率,防止喷雾干燥和胃肠道挑战.
- 这种方法为有针对性的益生菌输送和豆蛋白的利用提供了一个有希望的方法.
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