Table 5.
Shows the diameter of the zone of inhibition n-hexane extracted Croton macrostachyus seed oil against tested bacteria and fungus.
| Zone of inhibition (mm) | ||||||
|---|---|---|---|---|---|---|
| Sample tested | Concentration |
Bacterial strain |
fungal strain |
|||
| mg/ml | Bacillus cereus | Staphylococcus aureus | Escherichia coli | Aspergillus Niger | Candida albicans | |
|
Croton macrostachyus oil |
31.25 | 11.5 ± 1.2 | 7 ± 1.5 | 8.0 ± 1.1 | 10.5 ± 0.8 | 11.3 ± 1.2 |
| 62.5 | 12.2 ± 1.3 | 9 ± 1.4 | 12.2 ± 1.6 | 12.4 ± 0.95 | 12.2 ± 0.7 | |
| 125 | 13.3 ± 1.5 | 11.5 ± 01.2 | 13.7 ± 1.4 | 15.5 ± 1.1 | 14.9 ± 0.6 | |
| 250 | 18.2 ± 1.1 | 13.4 ± 1.1 | 15.1 ± 0.9 | 16.4 ± 1.2 | 16.2 ± 1.1 | |
| 500 |
20 ± 0.9 |
16.2 ± 1.2 |
17 ± 0.9 |
18.1 ± .9 |
17.1 ± 0.9 |
|
| Amoxicillin | 20 ± 0.35 |
19 ± 0.85 |
20.1 ± 0.8 |
NA |
NA |
|
| Ciprofloxacin | 19.8 ± .5 | 20.5 ± .3 | 19.2 ± .4 | NA | NA | |
| Dimethyl Sulfoxide (DMSO) | NA | NA | NA | 20.2 ± 0.3 | 20 ± 0.5 | |
| Ketoconazole | NA | NA | NA | 20.2 ± 0.3 | 20 ± 0.5 | |
NA not active.