Table 3.
Antimicrobial activity of representative LAB isolates against seven pathogens
| Bacteria | Antimicrobial activity (IZD)a |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| S. entericab | E. colic | St. aureusd | St. epidermidise | L. monocytogenesf | MDR-S. entericag | Sh. flexnerih | P. aeruginosai | ||
| CM1 | Lactobacillus salivarius | 35.0 ± 0.0 | 28.7 ± 1.5 | 28.0 ± 0.0 | 21.0 ± 1.0 | 28.0 ± 0.0 | 32.7 ± 0.6 | 16.0 ± 0.0 | — |
| CM2 | Lactococcus garvieae | 30.0 ± 0.0 | 12.0 ± 0.0 | 8.0 ± 0.0 | 6.0 ± 0.0 | 12.0 ± 0.0 | 19.0 ± 1.0 | 6.0 ± 0.0 | — |
| CM3 | Enterococcus faecium | 35.0 ± 1.0 | 35.0 ± 0.0 | 34.7 ± 0.6 | 20.0 ± 0.0 | 33.6 ± 1.5 | 27.0 ± 0.0 | 16.0 ± 0.0 | — |
| CM4 | Lactobacillus reuteri | 33.0 ± 1.7 | 30.0 ± 0.0 | 46.0 ± 0.0 | 14.3 ± 0.6 | 33.0 ± 1.0 | 33.7 ± 2.5 | 20.0 ± 0.0 | — |
| CM5 | Pediococcus acidilactici | 28.3 ± 1.5 | 34.7 ± 2.0 | 35.0 ± 0.0 | 27.0 ± 1.0 | 34.7 ± 2.0 | 27.0 ± 0.0 | 15.3 ± 1.5 | — |
| CM6 | Lactococcus lactis | 31.0 ± 1.0 | 25.0 ± 0.0 | 15.0 ± 0.0 | 17.3 ± 1.5 | 27.6 ± 1.5 | 25.0 ± 1.0 | 12.3 ± 2.5 | — |
| CM7 | Lactobacillus reuteri | 34.0 ± 1.0 | 21.7 ± 3.0 | 13.0 ± 1.0 | 14.0 ± 1.0 | 18.0 ± 0.0 | 18.0 ± 2.6 | 9.3 ± 1.5 | — |
| CM8 | Pediococcus acidilactici | 34.7 ± 2.5 | 25.0 ± 1.0 | 20.0 ± 0.0 | 19.7 ± 0.6 | 23.0 ± 1.0 | 28.0 ± 0.0 | 13.0 ± 2.0 | — |
| CM9 | Pediococcus acidilactici | 35.0 ± 1.0 | 34.7 ± 2.0 | 8.0 ± 0.0 | 35.0 ± 0.0 | 35.0 ± 1.0 | 34.0 ± 1.7 | 15.0 ± 0.0 | — |
| CM10 | Lactobacillus fermentum | 35.0 ± 1.0 | 33.0 ± 1.7 | 33.3 ± 2.5 | 28.0 ± 0.0 | 28.0 ± 0.0 | — | 16.0 ± 0.0 | — |
| CM11 | Weissella sp. T4R2C13 | 35.0 ± 2.6 | 35.0 ± 1.0 | 33.0 ± 2.0 | 23.0 ± 2.0 | 34.0 ± 1.0 | 34.3 ± 1.5 | 20.0 ± 0.0 | — |
| CM12 | Pediococcus acidilactici | 35.0 ± 2.0 | 22.0 ± 1.0 | 20.0 ± 0.0 | 18.0 ± 0.0 | 22.0 ± 0.0 | 29.3 ± 2.5 | 15.0 ± 0.0 | — |
| CM13 | Pediococcus acidilactici | 18.0 ± 1.0 | 35.0 ± 2.0 | 34.3 ± 2.0 | 23.7 ± 2.5 | 34.0 ± 0.0 | 16.3 ± 2.5 | 8.0 ± 0.0 | — |
| CM14 | Leuconostoc pseudomesenteroides | 30.0 ± 0.0 | 32.0 ± 2.0 | 15.0 ± 1.0 | 14.0 ± 2.0 | 25.0 ± 1.0 | 20.0 ± 0.0 | — | — |
| CM15 | Pediococcus pentosaceus | 26.0 ± 0.0 | 22.0 ± 0.0 | 23.0 ± 0.0 | 15.0 ± 0.0 | 22.0 ± 0.0 | 27.0 ± 2.0 | 16.0 ± 0.0 | — |
| CM16 | Pediococcus pentosaceus | 27.0 ± 2.0 | 23.0 ± 2.0 | 22.0 ± 0.0 | 14.0 ± 0.0 | 24.3 ± 1.5 | 28.0 ± 0.0 | 19.0 ± 2.0 | — |
| CM17 | Pediococcus pentosaceus | 34.7 ± 2.5 | 22.0 ± 0.0 | 29.0 ± 1.0 | 15.0 ± 1.0 | 22.0 ± 0.0 | 28.0 ± 0.0 | 15.0 ± 0.0 | — |
| CM18 | Pediococcus pentosaceus | 31.0 ± 1.0 | 25.0 ± 0.0 | 22.3 ± 2.5 | 16.0 ± 1.0 | 25.7 ± 3.0 | 28.0 ± 0.0 | 18.0 ± 2.0 | — |
| CM19 | Lactobacillus sp. | 14.0 ± 0.0 | 25.0 ± 0.0 | 28.0 ± 1.0 | 28.7 ± 3.0 | 29.0 ± 2.0 | 30.0 ± 2.0 | 16.0 ± 1.0 | — |
| CM20 | Pediococcus sp. | 31.0 ± 1.0 | — | 35.0 ± 0.0 | 34.7 ± 0.6 | 35.0 ± 3.0 | 30.0 ± 0.0 | — | — |
| CM21 | Enterococcus durans | 12.0 ± 0.0 | 29.0 ± 2.0 | 27.0 ± 2.0 | 17.0 ± 1.0 | 35.0 ± 1.0 | — | 15.0 ± 0.0 | — |
| CM22 | Lactobacillus brevis | 30.0 ± 0.0 | 17.0 ± 2.6 | 18.0 ± 0.0 | 8.0 ± 0.0 | 22.0 ± 0.0 | 23.0 ± 2.0 | 24.0 ± 0.0 | — |
| CM23 | Pediococcus pentosaceus | 35.0 ± 0.0 | 22.0 ± 1.0 | 25.0 ± 0 | 13.0 ± 1.0 | 28.0 ± 0.0 | 34.0 ± 2.0 | 27.0 ± 1.0 | — |
| CM27 | Weissella confusa | 26.0 ± 0.0 | 18.0 ± 0.0 | 25.0 ± 2.0 | 9.0 ± 1.0 | 19.7 ± 1.5 | 24.0 ± 1.0 | 23.0 ± 1.0 | 32.0 ± 0.0 |
| CM41 | Streptococcus infantarius | 17.0 ± 0.0 | 11.0 ± 0.0 | 16.5 ± 0.5 | 9.0 ± 1.0 | 14.0 ± 2.0 | 18.0 ± 1.0 | 14.0 ± 0.0 | 16.0 ± 1.0 |
| CM42 | Lactobacillus plantarum | 29.0 ± 1.0 | 24.0 ± 1.0 | 20.0 ± 0.0 | 17.0 ± 2.0 | 21.0 ± 1.0 | 27.0 ± 1.0 | 25.0 ± 0.0 | 32.0 ± 0.0 |
| CM47 | Streptococcus infantarius | 19.3 ± 0.6 | 13.0 ± 0.0 | 14.0 ± 0.0 | 8.0 ± 1.0 | 15.0 ± 1.0 | 19.0 ± 1.0 | 15.0 ± 1.0 | 31.0 ± 1.0 |
| CM57 | Weissella confusa | 25.0 ± 1.0 | 15.0 ± 0.0 | 17.0 ± 1.0 | 14.0 ± 1.0 | 17.0 ± 0.0 | 24.0 ± 2.0 | 20.0 ± 0.0 | 23.0 ± 1.0 |
ATCC, American Type Culture Collection; IZD, inhibition zone diameter; LAB, lactic acid bacteria; MDR, multidrug-resistant; — indicates no inhibition.
a
IZD, means of inhibition zone diameter of triplicate (mm) ± Standard Deviation.
b
IZD against Salmonella enterica ATCC 13076.
c
IZD against Escherichia coli ATCC 25922.
d
IZD against Staphylococcus aureus ATCC 25923.
e
IZD against Staphylococcus epidermidis ATCC 12228.
f
IZD against Listeria monocytogenes ATCC 7644.
g
IZD against multi-drug resistant Salmonella enterica.
h
IZD against Shigella flexneri ATCC 12022.
i
IZD against Pseudomonas aeruginosa ATCC 27853.