Table 4.
Inhibition zone of T. catappa L. leaf extract against Bacillus spp. at different pH.
| Bacillus spp. | Diameter of inhibition zone (mm) |
|||
|---|---|---|---|---|
| pH 3 | pH 6.828 | pH 7 | pH 10 | |
| B. cereus ATCC33019 | 11.83 ± 0.29a | 11.33 ± 0.58a | 11.50 ± 0.50a | 11.67 ± 0.29a |
| B. pumilus ATCC14884 | 10.67 ± 0.29a | 10.67 ± 0.58a | 11.00 ± 0.50a | 11.00 ± 0.00a |
| B. subtilis ATCC6633 | 9.83 ± 0.58a | 10.50 ± 0.50a | 10.17 ± 0.76a | 10.17 ± 0.29a |
| B. megaterium ATCC14581 | 9.50 ± 0.87a | 9.17 ± 0.29a | 9.83 ± 0.58a | 9.33 ± 0.58a |
Footnotes: Values are the mean ± S.D. of replications. Values with different superscript letters within the same rows are significantly different (p < 0.05).