Table 3.
Inhibition zone diameter (mm) of the ethanol extract and fractions of C. siphonella on different bacterial strains (mean ± standard error (SE).
| Tested Extract | Staphylococcus aureus | Bacillus subtilis | Escherichia coli | Pseudomonas aeruginosa |
|---|---|---|---|---|
| EtOH Ext | 1.1 ± 0.5 | 1.2 ± 0.2 | - | - |
| Hex | 2.3 ± 0.9 | 1.1 ± 0.4 | - | 1 ± 0.4 |
| EtOAc | 6.6 ± 0.2 | 5.4 ± 0.3 | 1.5 ± 0.7 | - |
| ButOH | - | 0.5 ± 0.2 | - | - |
| Ampicillin | 13.7 ± 0.9 | 12.3 ± 1.2 | 3.9 ± 0.9 | 3.6 ± 0.3 |
| Gentamicin | 9.8± 1.2 | 10.1 ± 1.1 | 15.5 ± 0.1 | 14.8 ± 1.3 |
Ampicillin, gentamicin, extracts, and fractions (20 µg/mL DMSO). EtOH, ethanol extract; Hex, n-hexane fraction; EtOAc, ethyl acetate fraction; ButOH, n-butanol fraction. (-) indicates no growth inhibition found.