使用热 (喷雾干燥工艺) 和非热 (超声波) 处理方法制成的驼牛奶奶粉:对物理化学,技术和功能性质的影响
Alanoud Al-Thaibani1, Hussein Mostafa2, Mariam Al Alawi1
1Department of Food Science, College of Agriculture and Veterinary Medicine, United Arab Emirates University, Al Ain 15551, United Arab Emirates.
Ultrasonics sonochemistry
|October 15, 2024
概括
使用喷雾干燥 (SD) 或超声波 (US) 处理的驼牛奶奶粉 (CWP) 显示出更好的功能性质. 这两种方法都提高了物理化学和技术特性,使得CWP成为一种有价值的成分.
科学领域:
- 食品科学与技术 食品科学与技术
- 乳制品科学 乳制品科学
- 蛋白质化学 蛋白质化学
背景情况:
- 乳清蛋白缩剂 (WPC) 是具有多种食品应用的功能成分.
- 驼牛奶乳酪 (CW) 提供独特的营养和功能性质.
- 加工方法对乳清粉的质量和功能产生重大影响.
研究的目的:
- 为了研究喷雾干燥 (SD) 和超声波 (US) 对驼奶奶粉 (CWP) 特性的影响.
- 通过不同的方法生产的CWP的结构,物理和功能特征进行比较.
- 确定最佳的加工条件,以提高CWP的技术功能性质.
主要方法:
- 驼牛奶乳酪被使用喷雾干燥 (170-200°C) 或超声波 (5-15分钟) 处理,然后冷干燥.
- 使用FTIR和XRD进行结构分析.
- 评估了粒子大小,表面电荷,颜色,可溶性和乳化活性.
主要成果:
- SD和US都改善了CWP的物理化学和功能性质.
- SD-185 CWP表现出最小的粒子大小 (215.1 nm) 和良好的乳化活性.
- 美国-15CWP显示蛋白质溶解率为100%,而SD样本更白.
- 结构分析显示,功能组之间没有显著差异,但SD样本的晶度较低.
结论:
- 喷雾干燥和超声波是提高驼牛奶奶粉技术功能性质的有效策略.
- 优化的SD和US处理可以产生CWP,提高溶解度,乳化和颗粒特性.
- 增强的CWP可以被用作食品工业中一个有价值的成分.
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