微生物群落的继承及其与灰色苏福发酵过程中的质量特征的相关性
Lei Zhao1,2, Yang Liu1,2, Qiong Xu1
1Key Laboratory of Milk and Dairy Products Detection and Monitoring Technology for State Market Regulation, Shanghai Institute of Quality Inspection and Technical Research, Shanghai 200233, China.
Foods (Basel, Switzerland)
|July 29, 2023
概括
这项研究确定了发酵大豆食品 (sufu) 中的关键细菌和真菌,揭示了它们与质量特征和生物氨基胺的联系. 了解这些微生物动态有助于控制sufu发酵质量.
科学领域:
- 食品微生物学 食品微生物学
- 发酵科学 发酵科学
- 生物技术是生物技术.
背景情况:
- 灰色苏福是一种传统的发酵大豆食品,具有复杂的微生物过程.
- 微生物群落的组成及其对苏福质量的影响尚未完全理解.
研究的目的:
- 在苏夫发酵过程中调查微生物社区动态.
- 探索微生物群和关键质量特征之间的关系,包括生物性胺.
主要方法:
- 在不同发酵阶段对苏夫进行系统采样.
- 使用分子技术识别细菌和真菌属.
- 冗余分析和斯皮尔曼相关性用于评估微生物群与物理化学性质关系.
主要成果:
- 确定了143种细菌和84种真菌属,其中Chishuiella,Enterococcus,Lactococcus和Weissella主要是细菌.
- 七天后,Trichosporon成为主要的真菌 (>84%),与生物性胺相关.
- 发现了特定细菌 (如Chishuiella) 和物理化学性质 (pH,蛋白质,氨基) 之间存在显著的相关性.
- 检测到五种生物氨基,主要是胺 (>75%),与几种细菌和真菌属有很强的正相关性.
结论:
- 微生物群落显著影响灰色suf的物理化学性质和生物氨基蛋白样本.
- 诸如Chishuiella和Trichosporon等特定的微生物在苏夫发酵中起着至关重要的作用.
- 研究结果支持开发微生物调节策略,以加强苏生产的质量控制.
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