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.
Total phenolic and flavonoids contents, and antioxidant activity of ethanolic extracts of S. officinale.
| Concentration of extract | Total phenolic content (mg gallic acid/g) | Total flavonoids content (mg ruting/g) | Antioxidant activity (μmol Vitamin C∖g) |
|---|---|---|---|
| 0.2 mg/ml | 101.3 ± 2.4 | 29.3 ± 1.2 | 193.7 ± 3.4 |
