对来自不同地区的轻味达库的感觉特征,微生物多样性及其相关性进行比较分析
Fanshu Xiang1,2,3, Wenchao Cai1, Zhuang Guo2,3
1School of Food Science Shihezi University Shihezi Xinjiang Autonomous Region China.
Food science & nutrition
|May 10, 2024
概括
这项研究比较了来自太原和苏州的淡味Baijiu,发现了不同的感觉和微生物特征. 太原Baijiu具有更高的芳香成分和苦味,而苏州Baijiu显示出更大的微生物多样性和微生物与味道之间的相关性.
科学领域:
- 食品科学与技术 食品科学与技术
- 微生物学 微生物学
- 感官分析 感官分析
背景情况:
- 淡味的 Baijiu (LFD) 是一种受欢迎的中国烈酒,具有区域差异.
- 了解微生物群落和感官特征之间的相互作用对于LFD质量控制和生产至关重要.
- 需要对不同地理来源的LFD进行比较研究,以阐明风味特征.
研究的目的:
- 来自太原 (TLFD) 和苏州 (SLFD) 的轻味Baijiu (LFD) 的感觉和微生物特征进行比较分析.
- 在不同的LFD样本中识别关键微生物及其与感官属性的相关性.
- 提供对影响不同地区LFD独特特征的因素的见解.
主要方法:
- 使用电子鼻子和电子舌头进行感官分析.
- 通过MiSeq高通量测序 (16S rRNA和ITS基因测序) 进行微生物社区分析.
- 微生物组成和感官数据之间的相关性分析.
主要成果:
- 与SLFD相比,TLFD呈现出明显更高的芳香物质和较低的酒精/化物含量.
- 与SLFD相比,TLFD具有明显更高的苦味和味的后味,以及较低的乌玛米.
- TLFD表现出较低的真菌丰富性和多样性;TLFD和SLFD之间存在主导属的差异,在每种类型中都发现了独特的特征微生物.
结论:
- 在TLFD和SLFD之间存在着感官形状和微生物群落的显著差异.
- 微生物组成与感官特征密切相关,在SLFD中观察到更强的相关性.
- 这项研究提高了对LFD生产和区域风味差异化的理解.
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