用不同的同发酵乳酸细菌生产的冰淋的质量规格
Gökhan Akarca1, Mehmet Kilinç1, Ayşe Janseli Denizkara1
1Department of Food Engineering, Faculty of Engineering Afyon Kocatepe University Afyonkarahisar Turkey.
Food science & nutrition
|January 25, 2024
概括
将乳酸细菌添加到冰淋中会改变其质地和营养成分. 这些变化,包括减少度和增加有机酸,当混合物成熟前添加细菌时,变化更为显著.
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:
- 乳酸细菌 (LAB) 通常用于乳制品发酵.
- 添加LAB对冰淋物理化学和营养特性的影响需要详细研究.
研究的目的:
- 评估不同LAB菌株和添加时间对冰淋质量的影响.
- 分析冰淋的物理化学,微生物学,纹理和营养属性的变化.
主要方法:
- 用不同的LAB菌株和添加点 (混合成熟前/后) 制作冰淋.
- 分析物理化学性质 (pH,aw,化速率),纹理参数 (坚度,一致性),颜色 (L*,a*,b*),有机酸和脂肪酸概况.
主要成果:
- 添加LAB降低了度,一致性,凝聚力,粘度,pH,aw,化时间和超速.
- 当LAB在混合物成熟之前被添加时,这些纹理和物理化学变化更加明显.
- 在成熟后添加时,LAB增加了有机酸含量和改变了脂肪酸配置,具有更高的短链和中链脂肪酸.
结论:
- 添加LAB显著改变了冰淋的质地和营养成分.
- 添加LAB的时间 (成熟前与成熟后) 影响了这些修改的程度.
- 通过有机和脂肪酸的改变,LAB可以提高冰淋的营养价值.
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