Table 3.
Antibacterial activity results.
| Entry | Compound | MICa/MBCb, mg/L | Strains of test cultures | |||
|
| ||||||
| Escherichia coli | Pseudomonas aeruginosa | Bacillus subtilis | Staphylococcus aureus | |||
|
| ||||||
| 1 | 7d | MIC | 500 | 500 | 500 | 500 |
| MBC | – | – | – | – | ||
| 2 | 7e | MIC | 500 | 500 | 500 | 500 |
| MBC | – | – | – | – | ||
| 3 | 7f | MIC | – | – | – | – |
| MBC | – | – | – | – | ||
| 4 | 7g | MIC | – | – | 250 | – |
| MBC | – | – | – | – | ||
| 5 | 7i | MIC | 500 | –c | 500 | – |
| MBC | – | – | – | – | ||
| 6 | 7o | MIC | 500 | – | 125 | 250 |
| MBC | – | – | – | – | ||
| 7 | 7p | MIC | 500 | – | – | – |
| MBC | – | – | – | – | ||
| 8 | 7q | MIC | 500 | 500 | 500 | 500 |
| MBC | – | – | – | – | ||
| 9 | 7t | MIC | – | – | – | – |
| MBC | – | – | – | – | ||
| 10 | nitroxoline | MIC | 15.6 | 62.5 | 32.25 | 1.9 |
| MBC | 15.6 | 62.5 | 31.25 | 1.9 | ||
aMIC – minimum inhibitory concentration; bMBC – minimum bactericidal concentration; “–“ - the substance at concentration ≤ 500 mg/L does not inhibit culture growth; ccompounds improve the growth and development of bacteria compared to the control group.