Table 4.
Antioxidant activity of P. atrosanguinea root extract
| Sample | DPPH (IC50 in μg/mL) | ABTS (IC50 in μg/mL) | FRAP (mg of ascorbic acid per gram) |
|---|---|---|---|
| Ascorbic acid | 11.63 | 14.52 | – |
| PA-RT | 35.79 | 30.35 | 18.1 |
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