Abstract
DETERMINATION OF THE INTENSITY OF BACTERIOCIN PRODUCTION BY STRAINS OF LACTIC ACID BACTERIA AND THEIR EFFECTIVENESS
Highlights
Lactic acid bacteria (LAB) are a group of phylogenetically diverse gram-positive bacteria that have some common morphological characteristics, as well as metabolic and physiological features [1]
To assess the antimicrobial potential of bacteriocins of lactic acid bacteria and the possibilities for their further use, this study deals with the intensity of bacteriocin production by strains of lactic acid bacteria, the minimal inhibitory concentration of bacteriocins produced by these strains with respect to E. coli В-6954, as well as the antimicrobial activity of the produced bacteriocins with respect to some strains of pathogenic microorganisms
Analysis of the results obtained in determining the intensity of bacteriocin production allowed to distinguish two strains: Lactobacillus plantarum B884 and Lactobacillus paracasei B2430, showed approximately the same results, but the quality of bacteriocin for strain Lactobacillus paracasei B2430 was higher
Summary
Lactic acid bacteria (LAB) are a group of phylogenetically diverse gram-positive bacteria that have some common morphological characteristics, as well as metabolic and physiological features [1]. Study of antimicrobial activity in relation to a number of pathogenic strains was carried out in a culture fluid by optical density, and by a disk-diffusion test.
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