Antagonistic Effect of Lactic Acid Bacteria on Salmonella Senftenberg in Mixed Cultures
Beata Szala1, Zbigniew Paluszak1, Ilona Motyl2
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1Department of Microbiology, University of Technology and Life Sciences,
Bernardyńska 6/8, 85-029 Bydgoszcz, Poland
2Institute of Fermentation Technology and Microbiology, Technical University of Lodz, Poland
Pol. J. Environ. Stud. 2012;21(5):1399-1403
Our study aimed to indicate the possibility of the application of 5 strains of Lactobacillus plantarum and 1 strain of Lactobacillus brevis isolated from plant material for reducing the count of Salmonella Senftenberg W775 in mixed culture. All the tested strains completely inactivated growth of Salmonella Senftenberg rods during 48 h of common culture. The strongest antagonistic activity was shown by strain Nos. 11, 13, and 15, which after 24 h of co-culture totally eliminated the pathogen cells. No effect of the pathogen on the growth dynamics of lactic acid bacteria was observed.
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