TABLE 1.
MICs of various antibiotics against E. coli O157:H7, either nonadapted (control) or adapted to sublethal thymol (1/2T), carvacrol (1/2C), or trans-cinnamaldehyde (1/2TC)
Antibiotic | Avg MIC (μg/ml) |
|||
---|---|---|---|---|
Control | 1/2T | 1/2C | 1/2TC | |
Tetracycline | 4 | 4 | 4 | 4 |
Ampicillin | 5 | 4 | 5 | 4 |
Nalidixic acid | 7 | 6 | 6 | 6 |
Gentamicin | 6 | 6 | 4 | 5 |
Chloramphenicol | 20 | 18 | 24 | 16 |
Streptomycin | 22 | 19 | 19 | 21 |
Novobiocin | 630 | 692 | 692 | 630 |