Table 1.
MIC values (µg/mL) of the tested compounds against selected bacterial strains.
| Compound | MIC (µg/mL) | ||||
|---|---|---|---|---|---|
| Gram-positive | Gram-negative | ||||
| B. subtilis | S. aureus | S. epidermidis | E. coli | P. aeruginosa | |
| Ia | 32 | 32 | 32 | >64 | >64 |
| Ib | 32 | 32 | 32 | >64 | >64 |
| Ic | >64 | 32 | >64 | >64 | >64 |
| Id | >64 | 32 | >64 | >64 | >64 |
| Ie | 32 | 32 | >64 | >64 | >64 |
| If | 32 | >64 | >64 | >64 | >64 |
| IIa | 32 | 16 | 32 | >64 | >64 |
| IIb | 8 | 32 | 32 | >64 | >64 |
| IIc | 32 | 32 | 16 | >64 | >64 |
| IId | 32 | 32 | 32 | >64 | >64 |
| IIe | 2 | 2 | 8 | >64 | >64 |
| IIf | 8 | 16 | 16 | >64 | >64 |
| 3 | 8 | 32 | 16 | >64 | >64 |
| (−)-Menthol | 8 | 16 | 8 | 8 | 4 |
| Penicillin | 1 | 1 | 4 | 32 | 16 |
| Streptomycin | 8 | 8 | 16 | 4 | 2 |
Negative control 5% DMSO---no activity.