开发一种含有本土乳酸细菌的发酵昆饮料
Luisina Fontana1, Guillermo H Peralta1, Carina Bergamini1
1Instituto de Lactología Industrial (CONICET-UNL), Universidad Nacional del Litoral, Santa Fe, Argentina.
Frontiers in microbiology
|February 16, 2026
概括
这项研究使用乳酸细菌 (LAB) 开发了一种发酵菜饮料. 饮料在小鼠中显示出改善的质地,稳定性和潜在的抗氧化和免疫调节作用.
科学领域:
- 食品科学 食品科学 食品科学
- 微生物学 微生物学
- 营养科学 营养科学
背景情况:
- 越来越多的人对植物性功能性食品的需求.
- 昆作为乳酸发酵的潜在基质.
- 需要使用有活微生物的非乳制品发酵替代品.
研究的目的:
- 使用本土乳酸细菌 (LAB) 菌株开发一种基于麦的发酵饮料.
- 评估发酵饮料的技术和功能特性.
- 在动物模型中评估饮料的免疫调节和抗氧化能力.
主要方法:
- 对六种LAB菌株进行选,以检测华提取物 (QE) 中的生长动力学.
- 选择 *Lactiplantibacillus plantarum* LpAv 和 *Limosilactobacillus fermentum* Lf2 进行发酵.
- 评估发酵参数,rheological和生物化学概况,释放,感官属性和动物试验.
主要成果:
- 在8小时内通过选定的LAB菌株成功酸化QE.
- 通过*L. fermentum* Lf2生产出外聚糖 (EPS),提高了粘度和质地.
- 在没有细菌转位的小鼠中,LAB在28天内保持活力 (>8log CFU/mL);发酵QE显示出抗氧化和免疫调节作用.
结论:
- 生产安全,稳定和功能活跃的发酵昆饮料的可行性.
- *L. plantarum* LpAv和*L. fermentum* Lf2的组合增强了技术和功能特性.
- 这些LAB菌株作为植物性益生菌食品的初始培养物的潜力.
相关概念视频
01:23Microbial Fermentation
1.6K
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...
1.6K
01:29Fermentation
130.0K
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...
130.0K
01:20Fates of Pyruvate
11.2K
Pyruvate is the end product of glycolysis, where glucose is oxidized to pyruvate, simultaneously reducing NAD+ to NADH. Two molecules of ATP are also produced by substrate-level phosphorylation.
In aerobic organisms, pyruvate is metabolized via the citric acid cycle to produce reduced coenzymes NADH and FADH2. These coenzymes are then oxidized in the electron transport chain to produce ATP and, in the process, regenerate the NAD+ and FAD. As seen in some cell types and organisms, fermentation...
In aerobic organisms, pyruvate is metabolized via the citric acid cycle to produce reduced coenzymes NADH and FADH2. These coenzymes are then oxidized in the electron transport chain to produce ATP and, in the process, regenerate the NAD+ and FAD. As seen in some cell types and organisms, fermentation...
11.2K