综合调查不同来源和发酵实践的kombucha微生物群落
Emna Ben Saad1,2, Anne Friedrich1, Frédérique Fischer2
1Université de Strasbourg, CNRS, GMGM UMR 7156, 67000 Strasbourg, France.
FEMS yeast research
|February 4, 2025
概括
酵母菌和细菌的核心微生物群,包括Brettanomyces,Komagataeibacter,Lactobacillus和Acetobacteraceae,在各种kombucha发酵启动剂中被确定. 微生物群落在液体和生物膜阶段之间存在差异,揭示了这个古老的发酵茶的关键类型.
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:
- 康布查是一种具有悠久历史的发酵茶,利用细菌和酵母 (SCOBY) 的共生培养.
- 康布查的微生物成分受到初始培养和造实践的影响.
- 了解微生物动力学对于稳定生产kombucha至关重要.
研究的目的:
- 探索微生物联盟及其在康布查发酵中的演变.
- 为了识别各种各样的kombucha开头的核心微生物群.
- 研究微生物种群在不同发酵阶段 (液体和生物膜) 的分布.
主要方法:
- 微生物群落的元编码分析.
- 来自不同来源的23种康布查开头的特征.
- 在液体和生物膜部分中对微生物组成进行比较分析.
主要成果:
- 确定了一个一致的核心微生物群,包括Brettanomyces (B. bruxellensis,B. anomalus),Komagataeibacter,Lactobacillus和Acetobacteraceae (包括Acetobacter).
- 微生物种群分布在液体和生物膜部分之间有所不同.
- 在连续发酵过程中,在"母"和"女儿"生物膜之间观察到微生物组成的差异.
- 康布查发酵表现出相对较低的微生物多样性,只有少数辅助种类.
结论:
- 这项研究阐明了kombucha发酵的核心细菌和酵母种群.
- 微生物社区结构受到物理阶段 (液体与生物膜) 和发酵阶段的影响.
- 这项研究加深了对康布查微生物生态和发酵过程的理解.
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