Table 3 Antibacterial test results of the ethanolic, methanolic, and aqueous extracts of Heptapleurum hypoleucum. Ethanolic extract showed the highest zone of inhibition against Staphylococcus aureus (21 mm)
Extract (quadrant) | Escherichia coli | Salmonella typhi | Shigella flexneri | Staphylococcus aureus | Streptococcus pneumoniae |
|---|---|---|---|---|---|
Antibiotic used-Gentamicin | Antibiotic used-Gentamicin | Antibiotic used-Cefoxitin | Antibiotic used-Gentamicin | Antibiotic used-Chloramphenicol | |
The average diameter of zone of inhibition (mm) of antibiotics and different extracts/quadrant | |||||
Antibiotic | 11 | 30 | 14 | 27 | 22 |
Ethanol | 9 | 19 | 0 | 21 | 16 |
Methanol | 13 | 12 | 0 | 16 | 11 |
Distilled water | 0 | 0 | 0 | 11 | 6 |
Activity index/quadrant | |||||
Ethanol | 0.81 | 0.63 | 0 | 0.78 | 0.73 |
Methanol | 1.18 | 0.4 | 0 | 0.59 | 0.5 |