通过构建一个合成核心微生物社区来改善注射发酵香肠的香味特征
Liu Wu1,2, Linyu Zhao2, Yingmei Tao3,4
1School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an, China.
Journal of food science
|September 26, 2023
概括
一个新的合成微生物群体,包括乳杆菌,葡萄球菌,巨菌,菌株菌和百科菌,增强了发酵香肠的气味. 这种方法更好地复制传统的风味,而不是商业的初始培养.
科学领域:
- 食品微生物学 食品微生物学
- 发酵科学 发酵科学
- 代谢工程是代谢工程.
背景情况:
- 商业初始培养对于工业发酵香肠生产至关重要.
- 现有的培养不能复制传统的,自发发酵的香肠的复杂香味和代谢特征.
- 了解核心微生物群落是开发改进的发酵策略的关键.
研究的目的:
- 在自发发酵的香肠中识别核心微生物群体.
- 构建一个合成微生物社区,以改善代谢作用和口味复制.
- 为了比较与合成社区发酵的香肠的香味特征,与商业初始培养相比.
主要方法:
- 微生物群落相对丰富的分析,风味产生潜力,以及同时发生的模式.
- 识别了五个关键的属:乳杆菌,葡萄球菌,宏球菌,链球菌和小球菌.
- 用构建的合成核心微生物群体对香肠进行注射,以进行比较分析.
主要成果:
- 与商业初始培养相比,合成核心微生物社区产生了优越的芳香特征.
- 检测到关键的挥发性风味化合物与理想的香味 (花,水果,甜,新鲜) 相关.
- 合成社区有效地重现了自发发酵香肠的特征味道代谢.
结论:
- 一个合成的微生物群落包括乳杆菌,葡萄球菌,巨型球菌,链球菌和Pediococcus,为提高发酵香肠质量提供了一个实用的策略.
- 这种方法成功地复制了传统发酵香肠的代谢作用和复杂的风味特征.
- 开发的战略在需要微生物社区设计的各种科学领域都有潜在的应用.
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