Table 3.
Antibacterial activity of B. bifurcata dichloromethane extract and synergistic effects with different antibiotics expressed in MIC (µg mL−1).
| Bacteria | Ext | Rif | Rif+ Ext | Gent | Gent+ Ext | Amp | Amp+ Ext | Tetra | Tetra + Ext |
|---|---|---|---|---|---|---|---|---|---|
| MIC (µg mL−1) | |||||||||
| E. coli ATCC®25922 | 2048 | 32 | 16 | >256 | <2 | 32 | 128 | 18 | <2 |
| Staphylococcus aureus ATCC®43300 | 2048 | 16 | <2 | >256 | 16 | 128 | 256 | >256 | <2 |
| Staphylococcus aureus ATCC®6538 | 1024 | 64 | 64 | 32 | 16 | 256 | 512 | 16 | 8 |
| Pseudomonas aeruginosa PAO1 | >2048 | 32 | - | 2 | - | 16 | - | 16 | - |
| Staphylococcus epidermidis | >2048 | 32 | - | 512 | - | >2048 | - | 32 | - |
Key: Ext: Extract; Rif: Rifampicin; Gent: Gentamicin; Amp: Ampicillin; Tetra: Tetracycline.