Table 2 Determination of the antimicrobial activity of compounds (3a, 3b, 3c, 4a, 4b and 4c) against different antibacterial and fungal strains
Microorganism | Sample | Standard antibiotic | |||||
|---|---|---|---|---|---|---|---|
3a | 3b | 3c | 4a | 4b | 4c | ||
Gram negative bacteria | Â | Gentamicin | |||||
Escherichia coli (ATCC:10536) | NA* | NA | NA | 11.6 ±  0.6 | NT | NA | 27 ± 1.0 |
Klebsiella pneumonia (ATCC:10031) | NA | NT** | NA | NT | NT | NA | 25 ± 1.0 |
Pseudomonas aeruginosa (ATCC:27853) | NA | NT | NA | NT | NT | NA | 27.3 ± 0.6 |
Gram positive bacteria | Â | Ampicillin | |||||
Staphylococcus aureus (ATCC:13565) | NA | NA | NA | 11.3 ±  0.6 | NA | NA | 21.7 ± 0.6 |
Streptococcus mutans (ATCC:25175) | NA | NA | NA | NA | NA | NA | 30 ± 1.0 |
Fungi | Â | Nystatin | |||||
Candida albicans (ATCC:10231) | 12.3 ±  0.6 | NA | 13.3 ± 0.6 | NA | NA | NA | 21 ± 1.0 |