在传统的库米斯生产中选择最佳发酵菌株的双奥米克战略
Xiaoyan Wang1, Zhixin Zhao1, Feiyan Zhao1
1Inner Mongolia Key Laboratory of Dairy Biotechnology and Engineering, Key Laboratory of Dairy Products Processing, Ministry of Agriculture and Rural Affairs, Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, National Collection of Microbial Resource for Feed (Inner Mongolia), Hohhot, Inner Mongolia 010018, China.
Food chemistry: X
|April 11, 2025
概括
研究人员在 koumiss 中确定了关键的微生物和代谢物,这是一个发酵的母马牛奶. 为了提高这种传统饮料的产品稳定性和质量,分离了五种高性能初始菌株.
科学领域:
- 微生物学 微生物学
- 发酵科学 发酵科学
- 食品科学 食品科学 食品科学
背景情况:
- 库米斯 (Kumiss) 是一种传统的发酵马牛奶饮料,由于缺乏专门的初始培养,产品质量不一致.
- 库米斯的微生物和代谢复杂性仍然不完全理解,阻碍了有针对性的质量改善.
研究的目的:
- 通过使用双奥米克方法,识别和选优质微生物菌株用于库米斯发酵.
- 通过开发明确的初始培养物来提高库米斯产品的稳定性和质量.
主要方法:
- 采用双体组学 (代谢组学和代谢组学) 来分析传统米的微生物和代谢特征.
- 采用纯培养技术和严格的选方案,包括制,抗酸和发酵测试,以分离有前途的初始菌株.
- 确定了主要的细菌属 (乳酸菌,乳球菌) 和丰富的代谢物 (酸,酸).
主要成果:
- 在 koumiss.中的特定微生物物种和关键代谢物之间建立了显著的相关性.
- 成功选和分离了五种高性能菌株:乳酸菌类 (Lacticaseibacillus paracasei SXM-5) 乳酸菌类 (Lactobacillus kefianofaciens MGE42-8) 乳酸菌类 (Lactobacillus helveticus CFS12-11-1) 乳酸菌类 (Saccharomyces cerevisiae PFD-2) 和乳酸菌类 (Kluyveromyces marxianus PYM-1),这些菌株均为乳酸菌类.
- 证明了这些菌株改善库米斯发酵特性的潜力.
结论:
- 已识别的微生物菌株为开发标准化库米斯初始培养提供了宝贵的资源.
- 这项研究有助于发酵乳制品饮料技术的进步,确保一致的质量和潜在的新产品开发.
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