穆沙莱葡萄酒发酵中的微生物动力学:一项元基因组学研究
Yongzeng Pei1, Mengrong Chen1, Qiling Chen1
1College of Food Science and Pharmacy, Xinjiang Agricultural University, Nongda East Road 311, Urumqi 830052, China.
Foods (Basel, Switzerland)
|August 14, 2025
概括
这项研究分析了传统的Musalais葡萄酒发酵中的微生物,确定了494种由Saccharomyces cerevisiae主导的持久物种. 发现了新的酵母物种和挥发性化合物,为优化这一文化遗产葡萄酒提供了洞察力.
科学领域:
- 微生物学 微生物学
- 发酵科学 发酵科学
- 食品科学 食品科学 食品科学
背景情况:
- 来自新疆的传统Musalais葡萄酒是一个重要的文化遗产.
- 了解其微生物动态对于质量控制和优化至关重要.
研究的目的:
- 为了全面分析微生物群落结构和功能潜力在Musalais葡萄酒发酵过程中.
- 确定影响葡萄酒质量的关键微生物物种和代谢途径.
- 发现新的酵母物种,在食品发酵中具有潜在的应用.
主要方法:
- 使用元基因组测序来识别微生物物种.
- 基因和基因组的京都百科全书 (KEGG) 和基因本体学 (GO) 分析被用于评估功能基因和代谢途径.
- 气色谱-质谱法 (GC-MS) 用于检测挥发性化合物.
主要成果:
- 总共有2894种微生物物种被确定,其中494种在整个发酵过程中持续存在.
- 麦芽是占主导地位的物种,其流行率在发酵阶段各不相同.
- 检测到24种非Saccharomyces酵母菌种和几种新型酵母菌种,以及82种挥发性化合物,主要是高醇和.
结论:
- 这项研究阐明了穆萨莱斯葡萄酒发酵的复杂微生物生态系统.
- 确定了关键的微生物参与者和代谢途径,为流程优化提供了基础.
- 新型酵母菌种的发现为未来的发酵行业的研究和应用开辟了道路.
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