Table 2.
Antibacterial activity of various extracts of N. mexicana Zucc.
| Microorganisms | Zone of HA Extract a |
Inhibition DCM Extract b |
(mm) MeOH Extract c |
Antibiotic | MIC |
|---|---|---|---|---|---|
|
Escherichia coli MTCC 443 |
19 ± 0.5 | 18 ± 0.45 | 17 ± 0.6 | 25 ± 0.45 | >3.2 |
| Klebsiella pneumonia MTCC 19 | 24 ± 0.1 | 19 ± 0.6 | 20 ± 0.27 | 28 ± 0.4 | >1.6 |
| Pseudomonas aeroginosa MTCC1688 | 19 ± 0.38 | 18 ± 0.45 | 20 ± 0.14 | 25 ± 0.42 | >3.2 |
| Salmonella typhii MTCC 341 | Not active | 18 ± 0.6 | 10 ± 0.8 | 25 ± 0.6 | >25.6 |
| Staphylococcus aureus MTCC 96 | 22 ± 0.28 | 23 ± 0.18 | 20 ± 0.8 | 25 ± 0.8 | >1.6 |
a HA: Hexane extract, b DCM: dichloromethane and c MeOH: methanol extracts zone of inhibition in (mm) of N. mexicana Zucc.