Table 1.
MBC values and FBC index of various antimicrobial agents alone and in combinations against S. enterica serovar Typhimurium as determined by Broth dilution technique and checkerboard method
| Antimicrobial agents | Conc. used (μg/ml) | MBC (μg/ml) | MBC in combination | FBC | FBC index | ||
|---|---|---|---|---|---|---|---|
| Cryptdin-2 (μg/ml) | Antibiotic (μg/ml) | Cryptdin-2 | Antibiotic | ||||
| Cryptdin-2 | 5–20 | 19 | – | – | – | – | – |
| Ciprofloxacin | 0.1–16 | 6 | 2.5 | 0.75 | 0.132 | 0.125 | 0.257 |
| Ceftriaxone | 0.1–32 | 16 | 5 | 1 | 0.263 | 0.063 | 0.326 |
| Cefotaxime | 0.1–32 | 12 | 2.5 | 3 | 0.132 | 0.25 | 0.382 |
| Chloramphenicola | 1–128 | Till 128 no MBC | 5 | 32 | 0.263 | 0.25 | 0.513 |
aMBC of chloramphenicol was considered as 128 μg/ml