贝基微凝用于增强Lactobacillus bulgaricusATCC 11842的传递
Kriza Faye Calumba1, Qixin Zhong2
1Department of Food Science, University of Tennessee, Knoxville, TN, USA; Department of Food Science and Chemistry, University of the Philippines Mindanao, Philippines.
International journal of biological macromolecules
|July 29, 2025
概括
贝基的微凝有效地将乳酸菌 (Lactobacillus bulgaricus) 等益生菌输送到结肠中. 在pH4.5下制造的微凝在模拟消化后显示出优异的益生菌存活率,支持它们在功能性食品中的使用.
科学领域:
- 食品科学与技术 食品科学与技术
- 生物材料工程 生物材料工程
- 微生物学 微生物学
背景情况:
- 益生菌提供健康益处,但往往无法在模拟消化中存活.
- 贝是一种肠道物质,显示出有望用于向的益生菌输送.
- 乳杆菌保加利亚菌是一种常见的益生菌,需要有效的封装来进行结肠输送.
研究的目的:
- 开发和描述贝基微凝,用于捕获乳菌.
- 在模拟消化和储存过程中评估封装益生菌的存活率.
- 确定最佳的配方和制造条件,以有效地提供益生菌.
主要方法:
- 微凝的配方是使用不同成分的贝,和藻酸盐.
- 益生菌通过喷雾干燥将其封装在不同pH值的化溶液中.
- 在消化后和储存期间分析了微囊的尺寸,微观结构,FTIR和益生菌活力.
主要成果:
- 微囊大小在84-354微米之间,FTIR证实了相互作用.
- 捕获效率因pH值而异,pH值为3.0 (42.1-112.6%) 的效率最高.
- 在pH4.5下制造的含贝的微凝在模拟消化后保持了高益生菌活力 (>5log CFU/g).
结论:
- 贝基的微凝是乳菌保加利亚菌的有效载体.
- 制造的pH显著影响益生菌在消化后的生存,pH值为4.5是最佳的.
- 这些微凝具有增强功能性食品中的益生菌递送的潜力.
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