Table 1. The effect of methanolic licorice extract (MLE) on the cell growth and the biofilm formation of two bacterial strains, Aeromonas hydrophila and Yersinia enterocolitica
Strain | Biofilm formation (Abs595, CV) | Change (%) | Cell density (Abs595) | Change (%) |
Control (1% DMSO) | 0.05% MLE in 1% DMSO | Control (1% DMSO) | 0.05% MLE in 1% DMSO |
A. hydrophila | 1.38 ± 0.06 | 1.63 ± 0.07 | +18.1 | 1.73 ± 0.06 | 1.73 ± 0.01 | 0 |
Y. enterocolitica | 1.53 ± 0.07 | 0.51 ± 0.08 | −66.7 | 0.35 ± 0.02 | 0.29 ± 0.02 | −17.1 |
CV: crystal violet, DMSO: dimethyl sulfoxide.