Fig. 6

Antibacterial activity analysis of rhLF. (a-e) E. coli was treated with PBS, rhLF, and rhLF-std for 60min, 1 μl of the mixture was plated on LB solid medium and cultured at 37 °C, and then photographed to record colony formation after 18 h. The scale bar is 1 cm. (f) The number of E. coli colonies was counted according to (a-e). Data are shown as mean ± SD of three experiments and were analyzed by one-way ANOVA, *P < 0.05, **P < 0.01, ***P < 0.001 relative to the control group