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Radical scavenging activity of the tested compound 4c compared to ascorbic acid*.
| Concentration mg/mL | Sample radical scavenging activity (%) | Ascorbic acid radical scavenging activity (%) |
|---|---|---|
| 50 | 71.7 | 85.4 |
| 100 | 72 | 88.5 |
| 150 | 72.3 | 90.6 |
| 200 | 72.4 | 97.8 |
| 300 | 72.5 | 98 |
*T test was applied with P < 0.05 level of significance.
