Table 1.
Cottrell slopes, ceric reducing/antioxidant capacity (CRAC) values and Trolox equivalent (TE) values for the addition of 25 μmol L−1 of antioxidant before and after complexing with BSA.
| Antioxidant | b (μA s1/2) | CRACvalue × 106 ([Ce3+]/mol L−1) | TE |
|---|---|---|---|
| Quercetin | 3.34 ± 0.11 | 294.76 ± 24.02 | 2.01 |
| BSA-quercetin | 0.65 ± 0.08 | 126.54 ± 17.47 | 0.86 |
| Morin | 1.49 ± 0.18 | 698.69 ± 39.30 | 4.78 |
| BSA-morin | 0.66 ± 0.08 | 124.35 ± 17.47 | 0.85 |
| Fisetin | 3.11 ± 0.38 | 344.98 ± 83.00 | 2.36 |
| BSA-fisetin | 0.43 ± 0.06 | 174.57 ± 13.10 | 1.19 |
| Myricetin | 3.19 ± 0.09 | 327.51 ± 19.65 | 2.24 |
| BSA-myricetin | 0.78 ± 0.10 | 98.15 ± 22.49 | 0.67 |
| Kaempferol | 1.28 ± 0.16 | 744.51 ± 34.93 | 5.09 |
| BSA-kaempferol | 0.41 ± 0.05 | 178.94 ± 10.91 | 1.22 |
| Galangin | 2.23 ± 0.27 | 537.12 ± 58.95 | 3.67 |
| BSA-galangin | 0.43 ± 0.05 | 174.57 ± 22.49 | 1.19 |
| Catechin | 3.47 ± 0.05 | 266.38 ± 10.92 | 1.82 |
| BSA-catechin | 0.83 ± 0.10 | 88.23 ± 10.92 | 0.60 |
| Trolox | 4.02 ± 0.05 | 146.29 ± 10.91 | 1.00 |