Table 2. Measurement of antibacterial activity of the isolated strains

Sample Species clear zone surrounding the disc (mm)
E. coli (KCTC1682) S. enterica (KCTC2054) B. cereus (KCTC3624)
LA-5 (Lactobacillus acidophilus) + ++ +
  PC (0.25 N HCl) + + +
DKGF9 (Lactobacillus plantarum) +++ + ++
DKGF1 (Lactobacillus paracassei) + +++ +
 DKGF8 (Lactobacillus casei) ++ + ++
 DK207 (Lactobacillus casei) ++ +++ +++
 DK211 (Lactobacillus casei) ++ ++ +
All values were mean±SD of triplicates.
+, 10<diameter<15; ++, 15<diameter<20; +++, 20<diameter.