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 relative antioxidant ability of different extracts and the volatile fractions of S. atropurpurea L. to reduce the half-maximal inhibitory concentrations (IC50) in the DPPH radical-scavenging activity assay.
| Sample | IC50 mg mL−1 |
|---|---|
| Dichloromethane extract | 2.7085 ± 0.4296 |
| Chloroform extract | 2.0951 ± 0.3750 |
| Ethyl acetate extract | 0.4806 ± 0.0487 |
| Ethanol extract | 0.1383 ± 0.0789 |
| VF 1 | 0.4798 ± 0.0897 |
| VF 2 | 1.2944 ± 0.2067 |
| Ascorbic acid | 0.0840 ± 0.0103 |
