Table 5.
Antimicrobial activity of different extracts of aerial parts of R. fruticosusagainst E. coli, H. influenzae, E.faecalisand S.us aureus (diameter of inhibition zones in mm).
| Extracts | Conc. (μg\ml) | E. coli | H. influrnza | E. faecalis | S. aureus |
|---|---|---|---|---|---|
| Methanol | 250 | 6 ± 0.10 | 8 ± 0.09 | 6 ± 0.17 | nd |
| 500 | 6 ± 0.29 | 6 ± 0.13 | 10 ± 0.33 | nd | |
| 1000 | nd | 7 ± 0.45 | 7 ± 0.15 | nd | |
| 2000 | 10 ± 0.24 | 10 ± 0.71 | 10 ± 0.11 | nd | |
| Ciprofloxacin | 250 | 30 ± 0.45 | 23 ± 0.23 | 23 ± 0.51 | 23 ± 0.12 |
| Hexane | 250 | 9 ± 0.09 | 6 ± 0.16 | 7 ± 0.22 | nd |
| 500 | 7 ± 0.77 | nd | 7 ± 0.89 | nd | |
| 1000 | 10 ± 0.50 | nd | 7 ± 0.14 | nd | |
| 2000 | 9 ± 0.31 | 6 ± 0.19 | 9 ± 0.27 | 6 ± 0.72 | |
| Ciprofloxacin | 250 | 31 ± 0.69 | 22 ± 0.21 | 20 ± 0.25 | 21 ± 0.81 |
| Chloroform | 250 | 6 ± 0.12 | nd | 6 ± 0.14 | nd |
| 500 | 9 ± 0.07 | nd | 10 ± 0.33 | nd | |
| 1000 | nd | 6 ± 0.53 | 7 ± 0.77 | nd | |
| 2000 | 14 ± 0.11 | 6 ± 0.18 | 10 ± 0.09 | nd | |
| Ciprofloxacin | 250 | 27 ± 0.15 | 26 ± 0.18 | 23 ± 0.21 | 20 ± 0.42 |
| Ethyl acetate | 250 | nd | 7 ± 0.13 | 7 ± 0.17 | nd |
| 500 | 9 ± 0.32 | 6 ± 0.19 | 10 ± 0.08 | nd | |
| 1000 | 15 ± 0.14 | 7 ± 0.17 | 9 ± 0.44 | nd | |
| 2000 | 21 ± 0.71 | 8 ± 0.45 | 9 ± 0.32 | nd | |
| Ciprofloxacin | 250 | 29 ± 0.11 | 26 ± 0.10 | 25 ± 0.19 | 21 ± 0.22 |
| Hydro alcoholic | 250 | 6 ± 0.14 | 10 ± 0.09 | 10 ± 0.17 | 11 ± 0.11 |
| 500 | 9 ± 0.18 | 9 ± 0.42 | 9 ± 0.68 | 10 ± 0.99 | |
| 1000 | 6 ± 0.08 | 9 ± 0.75 | 10 ± 0.10 | 10 ± 0.43 | |
| 2000 | 9 ± 0.15 | 8 ± 0.18 | 10 ± 0.88 | 6 ± 0.42 | |
| Ciprofloxacin | 250 | 29 ± 0.28 | 30 ± 0.15 | 23 ± 0.17 | 19 ± 0.10 |
| DMSO | 0 | 0 | 0 | 0 |
nd = Not detectable.