相关实验视频

Updated: May 8, 2026

Isolation and Chemical Characterization of Lipid A from Gram-negative Bacteria
12:57

Isolation and Chemical Characterization of Lipid A from Gram-negative Bacteria

Published on: September 17, 2013

从发酵产品中分离的潜在益生菌乳酸细菌的隔离,特征和脂质细胞介导的封装

Benay Çolak1, Dilan Barut Yavaş1, Belma Nural Yaman1,2

  • 1Department of Biotechnology and Biosafety, Eskisehir Osmangazi University, Eskisehir, Türkiye.

Current microbiology
|February 19, 2026
PubMed
概括

牛乳杆菌delbrueckii亚种. 这种细菌. 布尔加里克斯BC-16是一种来自自制酸奶的强效益生菌,证明了安全性和有效性. 将这种益生菌封装在脂质体中显著提高了它对胃肠道疾病的生存率.

更多相关视频

The Cultivation, Growth, and Viability of Lactic Acid Bacteria: A Quality Control Perspective04:40

The Cultivation, Growth, and Viability of Lactic Acid Bacteria: A Quality Control Perspective

Published on: June 16, 2022

Process Development for the Spray-Drying of Probiotic Bacteria and Evaluation of the Product Quality05:45

Process Development for the Spray-Drying of Probiotic Bacteria and Evaluation of the Product Quality

Published on: April 7, 2023

相关概念视频

Formation of Lipopolysaccharides01:19

Formation of Lipopolysaccharides

Lipopolysaccharides (LPS) are crucial components of the outer membrane of Gram-negative bacteria, serving both structural and functional roles. It contributes to membrane stability and protects bacteria from host immune responses. LPS is composed of three major regions—lipid A, a core oligosaccharide, and an O antigen. The biosynthesis and assembly of LPS involve a highly coordinated set of enzymatic reactions and transport mechanisms. Additionally, LPS is recognized as an endotoxin, triggering...
Techniques for Isolation of Pure Cultures01:24

Techniques for Isolation of Pure Cultures

Microorganisms are routinely cultured in the laboratory using various techniques to isolate, grow, and quantify them for further study. These methods rely on inoculating microorganisms into a suitable growth medium under aseptic conditions to prevent contamination. Depending on the objective, inoculation can involve direct transfer or the use of diluted bacterial suspensions as the inoculum.Streak-Plate Method for IsolationThe streak-plate method is a common technique for obtaining pure...
Microbes in Food Production01:29

Microbes in Food Production

Microbial fermentation is central to food biotechnology, enhancing flavor, texture, preservation, and stability. Fermentative microorganisms metabolize carbohydrates into organic acids, alcohols, and other metabolites that inhibit spoilage organisms and improve digestibility while contributing distinctive sensory qualities.In baking, amylases naturally present in flour hydrolyze starch into monosaccharides such as glucose, which Saccharomyces cerevisiae ferments anaerobically. Through...
Microbes in the Production of Fermented Foods01:27

Microbes in the Production of Fermented Foods

Lactic acid bacteria (LAB) and molds are instrumental in fermenting plant-based foods to enhance preservation and ensure year-round availability. These microbial processes convert plant carbohydrates into organic acids and other metabolites that inhibit spoilage organisms and contribute to the sensory qualities of the final product.In sauerkraut production, cabbage goes through a microbial succession that starts with cocci such as Leuconostoc mesenteroides. These microbes begin fermentation by...
Probiotics01:22

Probiotics

Probiotics are live, non-pathogenic microorganisms that confer health benefits by modulating the gut microbiota. The human gastrointestinal tract harbors a complex microbial ecosystem, and the balance of this microbiota is crucial for digestive and systemic health. Among the most extensively studied and utilized probiotics are species formerly classified within the genera Lactobacillus and Bifidobacterium. These organisms not only naturally colonize the human gut but are also consumed through...
Production of Organic Acids01:25

Production of Organic Acids

Lactic acid, an important organic acid extensively applied in food, pharmaceutical, and biodegradable polymer industries, is primarily produced via microbial fermentation. This method is favored over chemical synthesis due to its environmental sustainability and capacity for enantiomerically pure product formation. Among various microbial processes, the fermentation of starch-based substrates stands out due to the abundance and renewability of raw materials like corn and potatoes.Hydrolysis of...