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.
The EC50 (μg/mL) values of DPPH scavenging activity of the bark extracts of S. guineense with various solvents
| Extract | EC50 (μg/mL) |
|---|---|
| Chloroform | 50.39 ± 5.04c |
| Ethyl acetate | 38.90 ± 7.26b |
| Water | 12.90 ± 0.82a |
| Acetone | 8.04 ± 0.47a |
| Ethanol | 5.62 ± 0.08a |
| Ascorbic acid | 5.27 ± 0.10a |
