开发和评估功能性乳清果饮料,富含新型益生菌细菌,从埃及人乳和牛乳中分离出来
Fawzia Hr Abd Rabo1, Fouad Mf Elshaghabee1, Amira M Abdel-Maged1
1Dairy Science Department, Faculty of Agriculture, Cairo University, Giza, Egypt.
概括
这项研究使用新型乳酸细菌菌株开发了发酵乳清果饮料. 益生菌饮料表现出增强的抗氧化活性,并保持高益生菌计数,提供了有利可图的新乳制品.
科学领域:
- 食品科学与技术 食品科学与技术
- 微生物学 微生物学
- 乳制品科学 乳制品科学
背景情况:
- 奶制品的副产品,如奶酪乳清,往往没有得到充分利用.
- 发酵饮料具有增强营养和生物活性特性的潜力.
- 乳酸细菌 (LAB) 是发酵和益生菌发展的关键.
研究的目的:
- 开发新的发酵乳清饮料,使用从人乳和母牛乳中分离出的LAB.
- 评估发酵乳清果饮料的化学,物理化学,抗氧化和微生物特性.
- 评估发酵对益生菌生存能力和感官接受度的影响.
主要方法:
- 创建了9种发酵乳清果饮料配方,并与对照组进行了比较.
- 评估的参数包括化学成分,pH值,粘度,抗氧化活性,有机酸和微生物数量.
- 进行了感官评估,以评估结构质量,颜色和整体接受度.
主要成果:
- 与对照组相比,发酵乳清饮料的pH值有显著差异,抗氧化活性增加.
- 在发酵样品中检测到高水平的乳酸和酸.
- 在整个储存过程中,益生菌细菌的数量超过了7日志CFU/ml,特定菌株改善了感官属性.
结论:
- 用新型LAB菌株丰富的发酵乳清果饮料具有显著的营养和生物活性益处.
- 这些饮料显示出作为具有益生菌性质的有利可图的乳制品的高潜力.
- 该研究强调了乳制品副产品在功能性食品中的成功价值化.
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