相关实验视频
Updated: Jan 13, 2026

05:17
Preparation of High-Quality Fermented Fish Product
Published on: August 23, 2019
11.0K
苏安储存期间生化特征,味道和微生物群体的变化
Xingyun Xie1,2,3, Zehui Li1,2,3, Hong Liu4
1College of Food Science, Southwest University, Chongqing 400715, China.
Foods (Basel, Switzerland)
|October 29, 2025
概括
储存大大改变了Suancai (中国制菜) 的风味和微生物构成. 像Lactobacillus这样的关键细菌属驱动特定挥发性化合物的发展,影响一年后的最终芳香特征.
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
- 分析化学 分析化学
背景情况:
- 苏安是一种传统的发酵蔬菜,在储存过程中经历复杂的生物化学转化.
- 了解微生物群落和代谢物变化之间的相互作用对于控制其质量和风味至关重要.
研究的目的:
- 调查一年的储存对苏安的物理化学性质,微生物组成和风味特征的影响.
- 确定关键的微生物参与者及其对开发特定芳香化合物的贡献.
主要方法:
- 物理化学测量 (pH,可定位的酸度,酸盐含量).
- 代谢分析 (挥发性和非挥发性化合物,包括有机酸,氨基酸,生物氨基酸).
- 微生物群落概况 (多样性评估和主导属的识别).
- 多变量统计建模和相关性分析.
主要成果:
- 储存导致pH和酸盐的降低,并增加了可定位酸度.
- 乳酸和酸仍然是主要的有机酸;谷氨酸,酸和氨酸是丰富的氨基酸.
- 确定了69种挥发性化合物,其中和酒精是主要组;非门和甲是关键的芳香贡献者.
- 乳杆菌,哈洛马纳斯和Chromohalobacter是与风味发展相关的主导细菌.
- 乳杆菌与特定的和具有强烈的正相关性,而Debaryomyces与异酸盐和离子素有关.
结论:
- 储存一年的时间显著改变了苏安的物理化学和感官特征.
- 特定的细菌属,特别是乳酸菌,在产生关键的风味活性挥发性化合物方面发挥着关键作用.
- 这项研究提供了关于微生物生态和代谢物动态的见解,这些动态控制了储存期间苏安香味的发展.
更多相关视频
07:29HPLC Coupled with Chemical Fingerprinting for Multi-Pattern Recognition for Identifying the Authenticity of Clematidis Armandii Caulis
Published on: November 11, 2022
2.4K
09:12Optimization of Processing of Tiebangchui with Highland Barley Wine Based on the Box-Behnken Design Combined with the Entropy Method
Published on: May 19, 2023
1.2K
相关概念视频
Microorganisms in Agriculture and Food industry
1.3K
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...
1.3K
Sample Handling
1.5K
Transportation of samples from the collection point to the laboratory, as well as storage and preservation techniques, are crucial for maintaining sample integrity and ensuring accurate and reliable test results.
Samples should be transported carefully from collection points to the laboratory. They should be properly sealed and clearly labeled to prevent cross-contamination. To preserve the sample integrity, optimal temperature conditions during transport are essential. This could involve using...
Samples should be transported carefully from collection points to the laboratory. They should be properly sealed and clearly labeled to prevent cross-contamination. To preserve the sample integrity, optimal temperature conditions during transport are essential. This could involve using...
1.5K
Microbial Fermentation
1.3K
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...
1.3K