Concentration (µg/ml) | Superoxide radical scavenging activity | |
Phloretin (%) | Standard ascorbic acid (%) | |
20 | 22.85 ± 6.50 | 31.25 ± 2.50 |
40 | 49.28 ± 6.25 | 64.23 ± 5.13 |
60 | 68.57 ± 5.50 | 89.54 ± 7.16 |
80 | 82.42 ± 5.00 | 98.51 ± 7.88 |
| IC50 = 44.16 µg/ml | IC50 = 31.62 µg/ml |