Table 1 Minimum inhibition concentration (MIC) of commercial antibiotics and phenolic compounds against different strains of Salmonella enterica serovar Typhimurium; and antibacterial sensitivity profiles of those strains against some selected commercially available antibiotics
Antimicrobials | Strain ID | |||||
|---|---|---|---|---|---|---|
ATCC 14028 | V08-S-HA-06-(170) | V15-S-HA-02-(210) | SAL 109 | SAL 202 | SAL 224 | |
Amoxicillin (μg/mL) | <  0.5 (S) | 256 (R) | 1 (S) | 256 (R) | 256 (R) | 256 (R) |
Ampicillin (μg/mL) | 1 (S) | 512 (R) | 512 (R) | 512 (R) | 512 (R) | 512 (R) |
Cefotaxime (μg/mL) | ≤ 2 (S) | ≤ 2 (S) | ≤ 2 (S) | 512 (R) | 128 (R) | 128 (R) |
Ceftiofur (μg/mL) | <  1 (S) | <  1 (S) | 1 (S) | 128 (R) | 64 (R) | 64 (R) |
Erythromycin (μg/mL) | 128 (R) | 32 (R) | 16 (R) | 512 (R) | 1024 (R) | 512 (R) |
Florfenicol (μg/mL) | 8 (S) | 8 (S) | 4 (S) | 64 (R) | 32 (R) | 64 (R) |
Marbofloxacin (μg/mL) | 0.062 (S) | 0.25 (S) | 0.25 (S) | 2 (I) | 2 (I) | 4 (I) |
Norfloxacin (μg/mL) | 0.25 (S) | 4 (R) | 0.5 (S) | 4 (R) | 16 (R) | 8 (R) |
Penicillin G (μg/mL) | 8 (S) | 1024 (R) | 32 (R) | >  1024 (R) | >  1024 (R) | >  1024 (R) |
Thiamphenicol (μg/mL) | 128 (R) | 64 (R) | 128 (R) | 256 (R) | 512 (R) | 512 (R) |
Epicatechin (μg/mL) | >  1024 | >  1024 | >  1024 | >  1024 | >  1024 | >  1024 |
Epicatechin gallate (μg/mL) | >  512 | 512 | >  512 | >  512 | >  512 | >  512 |
Epigallocatechin (μg/mL) | 1024 | 512 | 512 | 512 | 512 | 512 |
Gallic acid (μg/mL) | 256 | 256 | 256 | 256 | 256 | 256 |
Hamamelitannin (μg/mL) | 512 | 512 | 1024 | 1024 | 1024 | 1024 |