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Antagonistic activity of culture supernatants of LAB strains against pathogenic bacteria.
| LAB isolates† | Indicator strains | |||
|---|---|---|---|---|
| E. coli (MTCC 443) | S. aureus (MTCC 737) | Listeria monocytogenes (MTCC1143) | Bacillus cereus (MTCC 6629) | |
| L1 | + | − | ++ | − |
| L2 | +++ | + | + | ++ |
| L3 | + | + | ++ | + |
| L4 | +++ | ++ | ++++ | +++ |
| L5 | − | + | ++ | + |
| L6 | ++ | − | + | |
| L7 | ++++ | +++ | +++ | ++++ |
| L8 | ++ | + | + | ++ |
| L9 | − | + | − | ++ |
: − < 1 mm inhibition zone, +: > 1 mm inhibition zone, ++ > 2 mm inhibition zone, +++ > 4 mm inhibition zone, ++++ > 5 mm inhibition zone.
