Table 6.
Zone of inhibition at different concentrations of prepared extract sample against different microorganism.
| Prepared extract sample | |||||
|---|---|---|---|---|---|
| Conc. | Zone of inhibition mm in diameter (mean ± SD) | ||||
| Escherichia coli | Proteus | Staphylococcus aureus | Staphylococcus cohnii | Klebsiella pneumoniae | |
| 7% | 16.54 ± 0.32 | 21.54 ± 0.35 | 20.78 ± 0.49 | 19.38 ± 0.21 | 22.45 ± 0.26 |
| 5% | 16.09 ± 0.21 | 19.87 ± 0.28 | 19.45 ± 0.43 | 18.76 ± 0.32 | 21.65 ± 0.87 |
| 3% | 15.67 ± 0.60 | 18.98 ± 0.19 | 18.23 ± 0.62 | 17.91 ± 0.76 | 19.98 ± 0.54 |
| 1% | 14.12 ± 0.98 | 18.03 ± 0.16 | 17.11 ± 1.45 | 17.01 ± 2.43 | 18.54 ± 0.89 |