Table 1.
Antibacterial activities showing zone of inhibition (mm) ± standard error mean of various fractions (15 mg/mL) of Onosma chitralicum.
| S.# | Fractions | E. coli | P. aeruginosa | S. aureus | S. typhi | B. subtilis |
|---|---|---|---|---|---|---|
| 1. | Crude | 13.0 ± 0.46 | 8.0 ± 0.23 | 13.0 ± 0.44 | 17.0 ± 0.52 | 12.0 ± 0.39 |
| 2. | n-hexane (C6H14) | 11.0 ± 0.61 | 2.0 ± 0.30 | 8.0 ± 0.32 | 7.0 ± 0.32 | 10.0 ± 0.67 |
| 3. | Chloroform (CHCl3) | 4.0 ± 0.42 | 6.0 ± 0.40 | 6.0 ± 0.46 | 3.0 ± 0.22 | 2.0 ± 0.25 |
| 4. | Ethyl acetate (EtoAc) | 12.0 ± 0.32 | 3.0 ± 0.33 | 12.0 ± 0.21 | 16.0 ± 0.47 | 11.0 ± 0.41 |
| 5. | n-butanol (BuOH) | 3.0 ± 0.22 | 4.0 ± 0.32 | 5.0 ± 0.53 | 3.0 ± 0.14 | 2.0 ± 0.12 |
| 6. | Aqueous | 3.0 ± 0.23 | 1.0 ± 0.15 | 3.0 ± 0.26 | 5.0 ± 0.28 | 2.0 ± 0.16 |
| 7. | Doxycycline (standard) | 16.0 ± 0.12 | 10.9 ± 0.15 | 20.0 ± 0.26 | 24.0 ± 0.13 | 22.0 ± 0.29 |