Table 2.
Results of the Ferric Reducing Antioxidant Potential (FRAP), Total Antioxidant Capacity (TAC), and Reducing Power (RP) Assays, expressed as % activity of the most active control (ascorbic acid).
| Compound | FRAP | TAC | RP |
|---|---|---|---|
| 3 | 11.86 | - | - |
| 5a | - | - | 14.75 |
| 5b | - | - | 23.82 |
| 5c | - | 23.05 | 15.20 |
| 5d | 23.69 | 17.61 | 16.54 |
| 5e | 16.26 | - | 18.32 |
| 5f | 86.12 | 96.94 | 71.22 |
| 5g | 15.01 | - | 19.34 |
| 5h | 18.68 | 26.59 | 18.49 |
| 5i | 28.63 | 31.46 | 19.42 |
| 5j | 20.15 | 36.24 | 23.81 |
| 5k | 37.20 | 51.94 | 46.36 |
| 5l | 91.28 | 102.70 | 104.75 |
| Ascorbic acid | 100.00 | 100.00 | 100.00 |
| BHT | 86.03 | 92.83 | 64.87 |
| Trolox | 85.87 | 88.95 | 56.83 |
The values obtained for the most active compounds (>90%) are marked in bold.