Table 3.
Antimicrobial activity of A. squamosa extracts. Data are represented as mean of inhibition zone ± SD (n = 3); DMSO and Tetracycline (30 μg) were used negative and positive controls, respectively
| Extracts | Zone of inhibition (mm) | ||||||
|---|---|---|---|---|---|---|---|
| Gram positive bacteria | Gram negative bacteria | ||||||
| B. subtilis | S. aureus | E. faecalis | E. coli | P. aeruginosa | K. pneumoniae | LT2 | |
| Acetone | 11.5 ± 0.5 | 0.0 | 8 ± 0 | 12.6 ± 0.6 | 24.6 ± 0.6 | 11.7 ± 0.6 | 11.5 ± 0.5 |
| Methanol | 15.6 ± 0.6 | 16.5 ± 0.5 | 7.9 ± 0.1 | 15.5 ± 0.5 | 18.3 ± 0.6 | 11.7 ± 0.6 | 12.3 ± 1.5 |
| Water | 0.0 | 0.0 | 9.5 ± 0.5 | 11.6 ± 0.5 | 17 ± 1 | 10.5 ± 0.5 | 12.2 ± 0.3 |
| DMSO | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Tetracycline | 16.2 ± 0.8 | 14.8 ± 0.4 | 12.7 ± 0.4 | 19.3 ± 1.5 | 18.7 ± 0.6 | 18.5 ± 0.4 | 14.3 ± 0.3 |