Table 4.
Antioxidant activities of compounds 1–4 in the ABTS assay a.
| Compound | Trolox | 1 | 2 | 3 | 4 |
|---|---|---|---|---|---|
| EC50 (μM ± SD, n = 3) | 10.43 ± 0.06 | 6.24 ± 0.03 | 7.66 ± 0.24 | 30.25 ± 0.10 | 22.59 ± 0.53 |
a ABTS: 2,2′-azinobis(3-ethylbenzothiazoline-6-sulphonic acid).
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