Evaluation of antimicrobial activity of Lactobacilli isolated from traditional sourdoughs against Bacillus cereus

In this study, the inhibitory effect of 71 Lactobacilli isolated from traditional sourdoughs against Bacillus cereus was evaluated and compared by using three methods (spot on lawn, well diffusion and disk diffusion). There was no inhibition zone around the discs and wells in the well diffusion and disk diffusion methods. The inhibitory effect of Lactobacillus isolates against Bacillus cereus in the Spot on lawn method was observed as a clear zone around the colonies. All Lactobacillus isolates were able to inhibit the growth of Bacillus cereus in the spot on lawn method, but there was a significant difference (p