Table 2.
Antibacterial activity of crude extract and fractions of leaves (Imipenem as standard drug).
| Bacteria | Standard drug zone of inhibition |
Crude extract zone (mm) |
n-hexane zone (mm) |
Chloroform zone (mm) |
Ethyl acetate zone (mm) |
n-butanol zone (mm) |
Aqueous zone (mm) |
|---|---|---|---|---|---|---|---|
| E. coli | 30 | 0 | 0 | 0 | 0 | 0 | 0 |
| B. subtillis | 31 | 8.66 ± 0.57 | 0 | 0 | 0 | 0 | 0 |
| S. flexenari | 33 | 0 | 0 | 0 | 7.33 ± 0.57 | 0 | 0 |
| S. aureus | 44 | 0 | 0 | 0 | 9.33 ± 1.54 | 0 | 0 |
| P. auriginosa | 26 | 7.66 ± 0.57 | 0 | 0 | 0 | 0 | 0 |
| S. typhi | 41 | 0 | 0 | 0 | 0 | 0 | 0 |
6–9 mm: no activity; 12–15 mm: low activity; 15–18 mm: good activity; above 18 mm: significant activity.