Table 1.
In vitro antibacterial activity of amblyone and kanamycin
| Test organism | Strain No. | Zone of inhibition (diameter in mm) | ||
|---|---|---|---|---|
| Amblyone (80 μg/disc) | Amblyone (160 μg/disc) | Kanamycin (30 μg/disc) | ||
| Gram-positive | ||||
| Bacillus subtilis | QL 40 | 21 ± 1.5 | 24 ± 1.3 | 30 ± 2.1 |
| Bacillus megaterium | QL 38 | 22 ± 1.3 | 26 ± 2.2 | 28 ± 0.9 |
| Staphylococcus aureus | ATCC 259233 | 19.5 ± 0.8 | 23 ± 1.5 | 31 ± 1.4 |
| Streptococcus pyogenes | CRL | 20.5 ± 1.4 | 25 ± 2.1 | 25 ± 1.7 |
| Gram-negative | ||||
| Escherichia coli | FPFC 1407 | 15 ± 1.0 | 20.5 ± 1.1 | 24 ± 1.4 |
| Shigella dysenteriae | AL 35587 | 18.5 ± 0.8 | 21.5 ± 0.9 | 30 ± 2.4 |
| Shigella sonnei | AJ 8992 | 15 ± 1.1 | 20 ± 1.0 | 32 ± 1.7 |
| Shigella flexneri | AL 30372 | 16 ± 0.8 | 21 ± 1.1 | 28 ± 1.2 |
| Pseudomonas aeruginosa | CRL | 12 ± 0.7 | 16 ± 0.9 | 31 ± 1.7 |
| Salmonella typhi | B 56 | 17 ± 1.1 | 21 ± 1.2 | 28 ± 2.1 |
The control disc used for solvent had no zone of inhibition; hence, this data has not been shown. Data shown in mean ± SEM (n = 3)