Table 4. Antibacterial activity of hydro-alcoholic (70 % methanol) extracts of medicinal plants using agar well diffusion method against gastrointestinal complication bacteria isolates.
| Plant used | Concentration (mg/mL) | Mean, zone of inhibition (mm) (±SE) |
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| Sa | Si | Shy | Ec | Kp | ||
| A. aspera | 200 | 17.80 (1.30) | 18.20 (2.40) | 18.20 (1.90) | 18.40 (3.30) | 19.20 (2.54) |
| 100 | 16.10 (0.37) | 16.70 (0.22) | 16.00 (0.24) | 16.70 (1.71) | 8.00 (2.65) | |
| S. hastifolium | 200 | – | – | – | – | – |
| 100 | – | – | – | – | – | |
| F. caria | 200 | 6.46 (0.22) | 10.20 (0.41) | – | 11.90 (0.33) | 9.50 (1.42) |
| 100 | – | 6.30 (1.98) | – | 8.51 (2.10) | 6.80 (1.82) | |
| M. parviflora | 200 | 9.70 (1.10) | 8.60 (0.96) | – | 10.25 (2.20) | 10.00 (0.80) |
| 100 | 6.40 (1.31) | 7.40 (1.36) | – | 7.10 (1.41) | 7.40 (1.26) | |
| Vernonia species-Alakit | 200 | 22.00 (0.13) | 16.40 (0.21) | 17.10 (0.57) | 16.40 (0.90) | – |
| 100 | 16.00 (1.76) | 14.30 (1.68) | 18.70 (1.73) | 16.30 (1.90) | – | |
| Gentamycin | 18.10 (2.52) | 17.00 (2.39) | 16.80 (2.61) | 20.20 (1.83) | 14.50 (3.11) | |
| DMSO | – | – | – | – | – | |
Sa: S. aureus, Si: S. intermedius, Shy: S. hycus, Ec: Escherichia coli, Kp: K. pneumonae.