Table 5.
Minimum inhibitory concentration and minimum bactericidal concentration of organic extracts from leaves of Indigofera suffruticosa against Staphylococcus aureus strains.
| S. aureus strains | Organic extracts from leaves of Indigofera suffruticosa | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Ether | Chloroform | Acetone | |||||||
| MIC | MBC | MBC/MIC | MIC | MBC | MBC/MIC | MIC | MBC | MBC/MIC | |
| 02 | 3.12 | 12.5 | 4 | 3.12 | 12.5 | 4 | 1.56 | 3.12 | 2 |
| 660 | 6.25 | 12.5 | 2 | 6.25 | 25.0 | 4 | 1.56 | 6.25 | 4 |
| 663 | 6.25 | 25.0 | 4 | 6.25 | 25.0 | 4 | 3.12 | 12.5 | 4 |
| 670 | 6.25 | 25.0 | 4 | 6.25 | 25.0 | 4 | 1.56 | 12.5 | 8 |
| 672 | 6.25 | 12.5 | 2 | 6.25 | 12.5 | 2 | 3.12 | 6.25 | 2 |
| 676 | 6.25 | 12.5 | 2 | 3.12 | 12.5 | 4 | 3.12 | 3.12 | 1 |
| 677 | 6.25 | 25.0 | 4 | 3.12 | 6.25 | 2 | 3.12 | 6.25 | 2 |
| 679 | 6.25 | 12.5 | 2 | 3.12 | 6.25 | 2 | 1.56 | 6.25 | 4 |
| 687 | 6.25 | 12.5 | 2 | 6.25 | 12.5 | 2 | 0.78 | 12.5 | 16 |
| MIC50 | 6.25 | 6.25 | 1.56 | ||||||
| MBC50 | 12.5 | 12.5 | 6.25 | ||||||
| Average MIC | 5.9 ± 1.0 | 4.85 ± 1.6 | 2.16 ± 0.9 | ||||||
| Average MBC | 16.67 ± 6.2 | 15.27 ± 7.7 | 7.63 ± 3.8 | ||||||
MIC, minimal inhibitory concentration; MBC, minimal bactericidal concentration.
MIC50, concentration able to inhibit 50% of strains; MBC50, concentration able to kill 50% of strains.
MIC, MIC50, MBC and MBC50 are expressed in mg/mL.