Table 4.
Bacteriostatic spectrum of crude bacteriocins
| Strain name | Inhibition zone diameter of crude bacteriocin (mm) | |
|---|---|---|
| Strain 1 | Strain 24 | |
| Gram-negative bacteria | ||
| Escherichia coli ATCC 25922 | ++ | ++ |
| E. coli UB1005 | ++ | ++ |
| Salmonella typhimurium C77-31 | ++ | ++ |
| S. typhimurium ATCC 14028 | ++ | ++ |
| Salmonella pullorum C 79-13 | +++ | ++ |
| S. typhimurium CMCC 50071 | ++ | ++ |
| Salmonella enteric CMCC 47020 | ++ | ++ |
| Enterobacter sakazakii ATCC 25944 | ++ | ++ |
| Gram-positive bacteria | ||
| Staphylococcus aureus ATCC 25923 | ++ | ++ |
| S. aureus ATCC 29213 | ++ | ++ |
| S. aureus CMCC 26074 | ++ | ++ |
| Staphylococcus epidermidis ATCC 12228 | ++ | ++ |
| Listeria monocytogenes CMCC 54004 | +++ | ++ |
| Bacillus cereus CMCC 6303 | - | - |
The outside diameter of Oxford cup was 8 mm. "-" means that non-inhibitory circle or inhibitory circle diameter is ≤8 mm; "+" means that diameter is 8‒10 mm; "++" means that diameter is 10‒15 mm; and "+++" means that diameter is >15 mm.