Research Article
Antibacterial Activity of Coumarins and Carbazole Alkaloid from Roots of Clausena anisata
Table 6
Zone of bacterial growth inhibition (mm) for crude extract and isolated compounds.
| Sample | E. coli | S. aureus | B. substilis | P. aeruginosa |
| CH2Cl2/MeOH extract | 9 ± 0.1 | 11 ± 0.1 | 10 ± 0.1 | 8 ± 0.1 | MeOH extract | n | 12 ± 0.2 | 13 ± 0.3 | 9 ± 0.2 | 1 | n | 14 ± 0.1 | 12 ± 0.1 | 12 ± 0.1 | 3 | n | 13 ± 0.1 | 14 ± 0.1 | 14 ± 0.1 | 4 | n | 14 ± 0.2 | 16 ± 0.3 | 12 ± 0.2 | Ciprofloxacin | 14 ± 0.1 | 15 ± 0.3 | 15 ± 0.3 | 15 ± 0.3 |
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n ≤ 6 is null, and n > 6 is sensitive.
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