在发酵过程中对盐品种的代谢物差异的研究
Ju-Young Lim1,2, Yun-Jeong Choi1, Hyejin Yu1
1World Institute of Kimchi, Gwangju 61755, Republic of Korea.
ACS omega
|December 25, 2023
概括
品种和发酵温度显著影响的代谢物. 较高的温度和特定的类型会影响氨基酸概况和味道化合物,如素.
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:
- 盐发酵是复杂的,受到多种因素的影响.
- 关于品种和发酵温度如何影响代谢物生产的研究有限.
研究的目的:
- 为了研究品种,发酵温度和发酵时间对发酵的成分的影响.
- 了解由此产生的pH值,含量,氨基酸和关键味道化合物的变化.
主要方法:
- 四种品种 (Detteugijeot,红jeot,Chujeot,Yukjeot) 在5°C和10°C发酵了5个月.
- 分析包括pH值,总,氨基,氨基酸概况,三酸腺 (ATP) 和低胺含量.
主要成果:
- 氨基随着发酵时间的增加,特别是在10°C时,由于微生物和酶活性而增加.
- 大多数氨基酸水平在发酵过程中上升,Deteugijeot显示的数量最高;谷氨酸和分支链氨基酸是温度敏感的.
- 红果的ATP和hypoxanthine水平显著更高,可能会增强umami和苦味.
结论:
- 的品种和发酵温度决定了盐的代谢物概况.
- 受到这些因素影响的微生物和酶活动,推动了氨基酸和味道化合物的变化.
- 特定的品种,如红jeot,具有独特的代谢物配置,影响味道.
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