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.