Fig. 1. EPS production rate of Streptococcus mutans KCTC 5458 treated with cell-free supernatant (CFS) of Lactobacillus brevis strains.
□, Control (treated L. brevis strains); ■, L. brevis strains; LGG, L. rhamnosus GG. Each value represents the mean ± standard deviation, with a-ddifferent letters on each bar representing significant differences (p < 0.05).