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分析Zizhong Dongjian发酵过程中微生物群和风味形成之间的关联
Zhang Li1, Miao Wang2, Zhirong Yang3
1Laboratory of Molecular Oncology, Frontiers Science Center for Disease-related Molecular Network, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital Sichuan University Chengdu China.
Food science & nutrition
|December 2, 2024
概括
这项研究探讨了三年来齐中东 (ZZDJ) 发酵蔬菜中的微生物群落和风味化合物. 确定了特定的细菌和酵母,与风味特征的变化相关,特别是发酵后期的升.
科学领域:
- 食品科学 食品科学 食品科学
- 微生物学 微生物学
- 发酵技术的发酵技术
背景情况:
- 齐中东健 (ZZDJ) 是一个受欢迎的中国发酵蔬菜.
- 了解其微生物动态和风味的发展对于质量控制和产品创新至关重要.
研究的目的:
- 研究ZZDJ在不同发酵期 (0-3年) 的微生物群落和挥发性风味化合物.
- 探索ZZDJ中的微生物群和风味概况之间的相关性.
主要方法:
- 使用气体染色学-质谱学分析挥发性风味化合物.
- 使用高通量测序识别细菌和真菌群落.
- 统计分析以将微生物数据与风味化合物相关联.
主要成果:
- 确定了84种挥发性风味化合物,碳化合物在早期阶段占主导地位,而 Ester 在后期阶段 (2-3年) 占主导地位.
- 发现的关键细菌包括*Loigolactobacillus*, *Pseudomonas* 和 *Virgibacillus*. 所有确定的真菌都是酵母,其中Zygosaccharomyces和Symmetrospora呈现出交替的主导地位.
- 特定的微生物,如*未培养的伪虫* sp, *Virgibacillus sediminis*, *Zygosaccharomyces rouxii* 和 *Symmetrospora marina* 与ZZDJ风味有很强的相关性.
结论:
- 微生物的继承和特定挥发性化合物的积累在发酵过程中驱动ZZDJ的特征性风味.
- 已识别的关键微生物是ZZDJ独特感官属性的潜在贡献者.
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