Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Comparative antibacterial activity of different solvents extraction to Rheum officinalis.
| Solvent | Inhibition zone of crude (mm) | Inhibition zone of solvent (mm) |
|---|---|---|
| Hexane | 20.2 ± 0.0 | 0.0 |
| Chloroform | 12.3 ± 0.1 | 0.0 |
| Ethyl acetate | 15.1 ± 0.14 | 7.0 ± 0.0 |
| n-Butanol | 15.0 ± 0.0 | 0.0 |
| Benzene | 13.0 ± 0.0 | 0.0 |
| Toluene | 18.0 ± 0.0 | 0.0 |
| Methanol | 39.1 ± 0.0 | 0.0 |
| Fats | 9.0 ± 0.0 | 0.0 |
