在发酵过程中不同类型的海鲜 (Jeotgal) 中的微生物动力学和代谢物概况
Ju-Young Lim1,2, Yun-Jeong Choi1, Ji-Young Choi1
1Practical Technology Research Group, World Institute of Kimchi, Kimchiro 86, Gwangju 61755, Republic of Korea.
ACS omega
|August 26, 2024
概括
这项研究表明,鱼类,而不是发酵时间,显著影响海鲜的质量和味道. 微生物群落及其代谢物驱动这些独特的特征,为工业发酵优化提供了洞察力.
科学领域:
- 食品科学 食品科学 食品科学
- 微生物学 微生物学
- 生物化学 生物化学
背景情况:
- 盐和发酵的海鲜 (jeotgal) 提供了延长的保质期和独特的味道.
- 影响jeotgal质量,微生物动力学和发酵优化的因素仍未得到充分研究.
- 了解这些元素对于提高产品质量和工业化发酵食品至关重要.
研究的目的:
- 在24个月内调查三种海鲜类型的微生物群落和质量变化.
- 确定影响发酵海鲜独特风味和特性的关键因素.
- 为优化发酵策略和工业应用提供见解.
主要方法:
- 微生物群落特征的分析 (主要的物种: *Tetragenococcus halophilus*, *Halanaerobium fermentans*, *Chromohalobacter canadensis*). 微生物群落特征的分析.
- 测量物理化学参数 (pH,可定位的酸度,盐度).
- 评估氨基酸,核酸和代谢物概况,并进行相关性分析.
主要成果:
- 盐鱼 (MJ),盐切割 (GJ) 和盐 (HJ) 观察到不同的微生物特征.
- 发现了氨基酸,核酸和代谢物概况的显著变化,MJ显示了更高水平的增味化合物.
- 鱼类被确定为差异的主要驱动因素,超过发酵时间.
结论:
- 高盐环境中的微生物群落产生独特的代谢物,有助于调味和质量.
- 这些发现为提高海鲜发酵策略和产品一致性提供了基础知识.
- 该研究强调了在发酵海鲜工业化中的微生物管理的实际方法.
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