Table I.
Antibiotic resistance of Lactobacillus strains.
| Antibiotic inhibition zone diameter [mm ± SD] |
||||||
|---|---|---|---|---|---|---|
| PEN | KAN | TET | ERY | DOX | AMX | |
|
L. rhamnosus LOCK 1131 |
27 ± 2.5 (S) |
0 (R) |
34 ± 1.0 (S) |
33 ± 2.5 (S) |
32 ± 2.0 (S) |
21 ± 2.1 (R) |
|
L. casei LOCK 1132 |
28 ± 2.5 (S) |
0 (R) |
30 ± 0.6 (S) |
34 ± 1.5 (S) |
33 ± 1.0 (S) |
24 ± 0.6 (IR) |
|
L. paracasei LOCK 1133 |
27 ± 6.4 (S) |
0 (R) |
25 ± 1.5 (S) |
25 ± 0.0 (S) |
30 ± 0.6 (S) |
21 ± 1.0 (R) |
S: susceptible; R: resistant; IR: intermediate resistant
PEN: Penicillin G (1 unit); KAN: Kanamycin (30 μg); TET: Tetracycline (30 μg);
ERY: Erythromycin (30 μg); DOX: Doxycycline (30 μg); AMX: Amoxicillin (25 μg)