扫玉米黄发酵过程中的微生物群组成及其对味道质量的影响
Ke Wang1, Huijun Wu1, Jiaxuan Wang1
1China Food Flavor and Nutrition Health Innovation Center, Beijing Technology and Business University, Beijing 100048, China.
Foods (Basel, Switzerland)
|July 29, 2023
概括
这项研究揭示了在扫玉米小米黄州初级发酵过程中的微生物和风味化合物变化. 像乳酸菌和光细菌这样的特定细菌对黄独特的风味特征作出了重大贡献.
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:
- 扫玉米黄酒造涉及初级和发酵后的阶段.
- 微生物的继承对于开发特有的黄州风味至关重要.
研究的目的:
- 调查在扫米小米黄初级发酵过程中风味物质和微生物群体的动态变化.
- 识别与香味化合物生产相关的关键微生物.
主要方法:
- 使用气体染色学-质谱学分析挥发性风味化合物.
- 通过高通量测序识别细菌和真菌群落.
- 微生物种群和风味代谢物之间的相关性分析.
主要成果:
- 确定了161种挥发性风味化合物,其中包括新发现的estragole.
- 主导的细菌属包括Pediococcus,Pantoea和Weissella; 主导的真菌是Saccharomyces和Rhizopus.
- 102种微生物与香味生产相关,其中乳酸菌,光细菌和白菌显示出强烈的关联.
- 使用分离的细菌强化Qu (QR1,QR2) 增强了黄州的质量.
结论:
- 确立了特定微生物和扫米中的挥发性风味化合物之间的联系.
- 确定了一些关键的细菌菌株 (Lactobacillus,Photobacterium,Idiomarina,Pediococcus),可能用于改善黄州发酵.
- 这些发现为优化黄州的微生态系统和风味提供了基础.
相关概念视频
Microbial Fermentation
79
Fermentation is a crucial anaerobic metabolic process that enables microbes to derive energy from sugar without relying on oxygen or an electron transport chain. This process is fundamental to various biological and industrial applications and is classified based on the metabolic products generated.Role of Pyruvate in FermentationPyruvate and its derivatives serve as key electron acceptors in fermentative pathways. The oxidation of NADH to regenerate NAD+ is essential for the continuation of...
79
Microorganisms in Agriculture and Food industry
88
Microorganisms play a crucial role in agriculture and the food industry, contributing to soil fertility, crop protection, and food production. Their functions range from nitrogen fixation and biopesticide production to fermentation and food preservation, making them indispensable to sustainable farming and food safety.Role in AgricultureNitrogen-fixing bacteria, such as Rhizobium (symbiotic) and Azotobacter (free-living), convert atmospheric nitrogen into ammonia through biological nitrogen...
88
Bacterial Flora of the Large Intestine
516
The gut microbiome is formed by a vast and diverse community of bacteria that colonizes our large intestine. These bacteria start residing in the gut from birth and continue diversifying throughout life, influenced by factors such as diet, lifestyle, and stress. The gut bacterial community also includes bacteria from food and those that enter the colon through the anus.
The normal gut flora of the colon plays a critical role in generating essential vitamins such as vitamins K, B5, and B7.
The normal gut flora of the colon plays a critical role in generating essential vitamins such as vitamins K, B5, and B7.
516
Fermentation
115.2K
Most eukaryotic organisms require oxygen to survive and function adequately. Such organisms produce large amounts of energy during aerobic respiration by metabolizing glucose and oxygen into carbon dioxide and water. However, most eukaryotes can generate some energy in the absence of oxygen by anaerobic metabolism.
Fermentation is a type of metabolic process that occurs in the absence of oxygen, where organic molecules such as glucose are broken down to produce energy. During this process, the...
Fermentation is a type of metabolic process that occurs in the absence of oxygen, where organic molecules such as glucose are broken down to produce energy. During this process, the...
115.2K


