215391.fig.002a
(a)
215391.fig.002b
(b)
Figure 2: The kill curve of Streptococcus mutans (a) and Lactobacillus acidophilus (b) standard strains, which indicated the time-dependent antimicrobial activity of the EEP (used concentrations of EEP were: 10 mg/L, 20 mg/L and 50 mg/L).