Academic journal article Iranian Journal of Public Health

Evaluation and Comparision of the Antimirobial Effect of Lactobacillus Gasseri on Salmonella Enterica Serotype Entertidis

Academic journal article Iranian Journal of Public Health

Evaluation and Comparision of the Antimirobial Effect of Lactobacillus Gasseri on Salmonella Enterica Serotype Entertidis

Article excerpt

Background: Lactobacillus spp., as probiotic bacteria, are being increasingly studied for their inhibitory activity against pathogenic bacteria.there is some evidence that they are not effective against gram -negative bacteria.The objective of this study was to investigate the antagonistic activity of Lactobacil- lus gasseri (Lga C009) against resistant Salmonella enterica sero- type Enteritidis (ATCC 13311).

Methods: Antimicrobial activity by using common bacteria causing gastroenteritis in children (Salmonella enterica serotype entertidis ATCC13311) were evaluated using three microbi- ological methods, Disk Diffusion Agar, Well Diffusion Agar and Agar spot test.

Results: The highest inhibitory effect achieved by Well Dif- fusion Agar with an inhibitory zone diameter of 0/2 ±0/7 mm and the minimum belonged to Agar spot test with an inhibitory zone diameter of 0/3 ±0/18 mm (P <0. …

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