Table 2 In vitro anti-bacterial effect of ethanolic root-extract of Solena amplexicaulis
Test organism | Source ID | Diameter of zone of inhibition (mm) | ||
|---|---|---|---|---|
|  | (ATCC) | Ethanolic extract of the root from | Tetracycline 30 μg/disc | |
| Â | Â | 2Â mg/disc | 4Â mg/disc | Â |
Gram positive | ||||
Bacillus subtilis | 11774 | 7 | 10 | 21 |
Staphylococcus aureus | 25923 | 7.5 | 10 | 24 |
Bacillus cereus | 10876 | 7 | 10.5 | 12 |
B. polymyxa. | 842 | 8.5 | 11.0 | 21 |
B .megaterium | 13578 | 7 | 11.5 | 28 |
Enterococcus faecalis | 29212 | 6.5 | 9.5 | 19 |
Gram negative | ||||
Klebsiella pneumoniae | 65154 | 11.5 | 16.5 | 22 |
Salmonella typhi | 12022 | 12.0 | 18.5 | 27 |
Shigella flexneri | 13883 | 10.5 | 14.5 | 15 |
Shigella sonnei | 8992 | 10 | 14.5 | 14 |
Proteus vulgaris | 13315 | 11 | 15.5 | 17 |
E. coli | 25922 | 13.5 | 18 | 19 |
Vibrio cholerae | 15748 | 12.5 | 22.5 | 26 |
Pseudomonas aeruginosa | 25853 | 12 | 19.5 | 21 |