Table 3 Antibacterial study of the methanolic extract of S. mahagoni (L.) leaves
Bacterial strain | 50Â mg/mL | 25Â mg/mL | 15Â mg/mL | Standard antibiotic (1Â mg/mL ampicillin) | Methanol | MIC (mg/mL) | MBC (mg/mL) |
|---|---|---|---|---|---|---|---|
| Â | Inhibition zone (mm) | Â | Â | Â | Â | ||
S. aureus | 20.2 ± 0.3 | 14.6 ± 1.2 | 8.0 ± 0.1 | 22.0 ± 0.1 | NA | 12.5 | 12.5 |
E. coli | 16.4 ± 0.1 | 12.7 ± 0.1 | 5.3 ± 0.6 | 24.0 ± 0.3 | NA | 12.5 | 25 |
S. enterica | 19.5 ± 0.4 | 14.0 ± 0.1 | 7.6 ± 1.4 | 24.2 ± 1.2 | NA | 12.5 | 12.5 |
E. aerogenes | 20.5 ± 1.0 | 16.3 ± 0.5 | 6.0 ± 0.9 | 24.0 ± 0.2 | NA | 12.5 | 12.5 |
P. vulgaris | 18.1 ± 0.2 | 12.2 ± 1.0 | 6.2 ± 0.3 | 22.3 ± 0.4 | NA | 12.5 | 25 |