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温度对Daocai发酵过程中的质量和微生物群体的影响
Xueli Wang1,2, Xueting Liu1,2, Chunmei Sun1,2
1Guizhou Province Key Laboratory of Fermentation Engineering and Biopharmacy, Guizhou University, Guiyang 550025, China.
Food chemistry: X
|October 18, 2024
概括
温度控制显著改变了传统贵州道家中的微生物群落和风味化合物. 特定的细菌,如Lactiplantibacillus和Saccharomyces,主导着受控的发酵,影响着挥发性的风味特征.
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
- 分析化学 分析化学
背景情况:
- 陶是一种传统的贵州盐,因其独特的感官属性而受到重视.
- 发酵温度极大地影响着达的质量,香气,颜色和味道.
- 了解微生物动力学和挥发性化合物形成是优化大生产的关键.
研究的目的:
- 在受控和不受控制的温度下,研究在达奥发酵过程中微生物群落的继承.
- 分析温度对挥发性风味化合物 (VFC) 档案的影响.
- 确定负责特定风味化合物生成的关键微生物.
主要方法:
- 高通量测序用于微生物社区分析.
- 头部气体染色学-离子移动性光谱学 (HS-GC-IMS) 用于VFC检测.
- 温度控制 (D组) 与非温度控制 (C组) 发酵的比较分析.
主要成果:
- 在温度控制和不受控制的组之间观察到不同的微生物群落,像Lactiplantibacillus和Saccharomyces这样的属在D组中占主导地位.
- 总共有92种VFC被确定,包括化物,,和酒精.
- 包括Latilactobacillus,Leuconostoc和Cystofilobasidium在内的关键细菌与化物, furan,pyridine和的形成有关.
结论:
- 发酵温度在很大程度上影响了大的微生物生态系统和挥发性风味特征.
- 特定的细菌属对于发展特征性达香味至关重要.
- 这项研究提供了对优化Daocai发酵以提高质量和感官性能的见解.
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