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.
DPPH radical scavenging activity of G. alypum, G. punctata, G. cordifolia and G. meridionalis methanolic aerial parts extracts expressed as IC50 value (μg/mL).
| G. alypum | G. punctata | G. cordifolia | G. meridionalis | Gallic Acid | Trolox |
|---|---|---|---|---|---|
| 17.25 | 24.19 | 22.68 | 20.41 | 0.64 | 2.71 |
IC50—concentration required to reduce the DPPH radical absorbance by 50%.
