Table 2 Antibacterial effects of different C. bonducella leaf extract fractions
Name of the bacteria | Zone of inhibition (mm) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Kanamycin disc (30 mg/disc) | Methanol (μg/disc) | Ethyl acetate (μg/disc) | Chloroform (μg/disc) | Pet. ether (μg/disc) | |||||||||
| Â | Â | 300 | 500 | 800 | 300 | 500 | 800 | 300 | 500 | 800 | 300 | 500 | 800 |
Gram-positive | |||||||||||||
S. aureus | 36 | 16 | 21 | 25 | - | 6 | 6.5 | 7.5 | 12 | 16 | - | - | 6.5 |
B. subtilis | 26 | - | - | - | - | - | 8 | 6.5 | 8 | 9.5 | - | - | - |
B. cereus | 29 | - | - | - | 6.5 | 8 | 10 | 7 | 9 | 10 | - | - | 6.5 |
B. megaterium | 35 | - | - | - | - | - | - | - | 7 | 8 | - | - | 6.5 |
Gram-negative | |||||||||||||
S. typhi | 29 | - | - | 6.5 | - | - | 7 | 7 | 10 | 13 | - | 6.5 | 7 |
S. dysenteriae | 35 | - | - | - | - | 7 | 8 | 6.5 | 7.5 | 9 | - | - | - |
P. aeruginosa | 30 | 6.5 | 6.8 | 7 | 6.5 | 8 | 8.5 | 6.5 | 7 | 7.5 | - | - | - |
E. coli | 32 | - | - | - | - | - | - | 6.5 | 7 | 8 | 7 | 7.5 | 8 |
Klebsiella spp. | 35 | - | - | - | - | - | - | - | 7 | 8 | - | - | 6.5 |