Table 1.
The Trolox-equivalent antioxidant capacities (TEAC) of selected antioxidants using absorptimetric- and reflectometric-CUPRAC sensors and solution-based method.
| Antioxidant Compound | TEAC Absorptimetric-CUPRAC Sensor |
TEAC Reflectometric-CUPRAC Sensor |
TEAC Solution-CUPRAC |
|---|---|---|---|
| Quercetin | 4.11 | 3.79 | 4.38 |
| Morin | 1.92 | 2.38 | 1.88 |
| Fisetin | 3.10 | 2.70 | 3.90 |
| Catechin | 1.92 | 1.16 | 3.09 |
| Kaempferol | 1.23 | 0.91 | 1.58 |
| Rosmarinic acid | 3.83 | 2.86 | 5.30 |
| Gallic acid | 2.10 | 1.76 | 2.62 |
| Naringenin | 0.60 | 0.42 | 0.05 |
| Ascorbic acid | 0.71 | 0.42 | 0.96 |