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细菌细菌对中国黄米酒 (黄江) 发酵的影响:方法变化和风味分析
Qi Peng1, Huajun Zheng1, Jiachen Li1
1National Engineering Research Center for Chinese CRW (branch center), School of Life and Environmental Sciences, Shaoxing University, 900 Chengnan Road, Shaoxing 312000, China.
Food chemistry
|August 10, 2024
概括
细菌细菌注射增强了黄州的关键风味化合物,丰富了花和水果的音符,同时减少了较高的酒精含量. 这项研究指导了发酵优化,以改善物理化学性质和风味特征.
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
- 发酵科学 发酵科学
背景情况:
- 黄江酒是一种传统的发酵米酒,具有复杂的物理化学特性和风味特征.
- 发酵技术和微生物注射剂显著影响发酵饮料的质量.
- 了解风味形成机制对于优化黄州生产至关重要.
研究的目的:
- 研究发酵技术和Bacillus subtilis注射对黄江的物理化学性质的影响.
- 分析由B. subtilis引起的主要风味特征的改变.
- 阐明B. subtilis在挥发性有机化合物 (VOC) 的形成中的作用及其对黄江香气的贡献.
主要方法:
- 感官分析,以评估风味配置文件.
- 头部空间固态微提取 (HS-SPME) 与气色谱-并联质谱 (GC-MS) 结合,用于挥发性化合物的识别和定量.
- 正角局部最小方程差分分析 (OPLS-DA) 用于将分析数据与感官属性相关联.
- 气味活性值 (OAV) 的计算,以确定单个VOC对整体气味的贡献.
主要成果:
- 发酵技术和B. subtilis注射显著改变了黄州的物理化学属性.
- B. subtilis注射改变了关键风味化合物的度,但没有改变其类型.
- 13种主要风味化合物被B. subtilis增强,导致花和果味的增加,并降低了较高的酒精含量.
结论:
- B. subtilis的注射是一种有效的策略,可以增强黄江的理想风味.
- 这项研究提供了有关黄江发酵过程中风味形成途径的宝贵见解.
- 这些发现可以指导优化发酵过程,以改善黄江的质量和有针对性的风味开发.
关键词:
这种细菌是 Bacillus subtilis.核心风味物质是主要的风味物质.在HS-SPME-GCMS中使用.这是一个OAVAV,OAVAV是OAV.在 OPLS-DA 的基础上.挥发性有机化合物 挥发性有机化合物更多相关视频
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