从越南便中分离出来的热杀死乳酸细菌的功能性质
Ji-Won Lee1, Seo-Eun Song1, In-Bae Kim1
1Department of Animal Resource & Science, Dankook University, Cheonan 31116, Korea.
Food science of animal resources
|July 14, 2025
概括
经热处理的乳酸细菌 (LAB),特别是乳植物菌 (Lactiplantibacillus plantarum V10),表现出强大的抗氧化和抗炎性质. 在65°C60分钟的最佳无活化为东南亚市场带来了一个有前途的功能成分.
科学领域:
- 微生物学与食品科学 微生物学与食品科学
- 免疫学和肠道健康
- 生物技术和功能性成分
背景情况:
- 乳酸细菌 (LAB) 以其健康益处而闻名.
- 热处理是灭活微生物的常见方法.
- 了解非活化LAB的功能性质对于开发功能性食品至关重要.
研究的目的:
- 评估来自越南便的热处理LAB的功能性质 (抗氧化,免疫调节).
- 为了确定最佳的热处理条件以使LAB失活.
- 评估热处理后的Lactiplantibacillus plantarum V10作为一个功能成分的潜力.
主要方法:
- 基于酸/胆耐药性和酶性活动的LAB菌株的隔离和选择.
- 应用各种热处理 (65°C 60分钟,95°C 10分钟).
- 对抗氧化活性,脂铁醇酸 (LTA) 含量,免疫调节作用 (氧化抑制,细胞因子表达) 和酶耐药性的测试.
主要成果:
- 热处理使LAB失活,65°C60分钟是最佳温度.
- 经热处理的 Lactiplantibacillus plantarum V10 显示出显著的抗氧化和抗炎活性.
- HT L. plantarum V10 呈现高LTA含量和对素和氨酶等消化酶的耐药性.
结论:
- 热处理的Lactiplantibacillus plantarum V10是一种可行的功能成分,具有增强的抗氧化和免疫调节功能.
- 最佳的热处理 (65°C60分钟) 保持了有益的特性.
- 这种菌株有可能在功能性食品中应用,特别是在东南亚市场.
相关概念视频
Bacterial Phylum Firmicutes
162
Firmicutes is a diverse phylum of Gram-positive bacteria characterized by a low GC content in their genomes. This phylum includes organisms with monoderm or diderm cell envelopes, highlighting a complex evolutionary history. Firmicutes comprises several major orders, including Lactobacillales, Clostridiales, and Bacillales, which exhibit remarkable diversity in their morphology, metabolism, and ecological roles.The order Lactobacillales includes lactic acid bacteria, which are fermentative...
162
Microorganisms in Agriculture and Food industry
401
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...
401
Physical Methods for Controlling Microbial Growth: Temperature
256
Heat is a widely used method to control microbial growth by targeting and denaturing cellular proteins, thereby killing or inactivating microbes. This method's effectiveness is quantified using parameters such as the thermal death point (TDP), thermal death time (TDT), and decimal reduction time (D value). TDP represents the lowest temperature at which all microorganisms in a liquid suspension are eliminated within 10 minutes, whereas TDT is the time necessary to achieve sterilization at a...
256
Microbial Fermentation
406
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...
406
Bacterial Flora of the Large Intestine
651
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.
651


