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EC50 values of phlorotannins from Ishige okamurae.
| EC50 (µM ± SD) | ||||
|---|---|---|---|---|
| DPPH | Hydroxyl | Alkyl | Superoxide | |
| 6,6′-bieckol | 9.1 ± 0.4 | 23.7 ± 1.1 | 17.3 ± 1.0 | 15.4 ± 0.9 |
| Diphlorethohydroxycarmalol (DPHC) | 10.5 ± 0.5 | 27.1 ± 0.9 | 18.8 ± 1.2 | 16.7 ± 0.6 |
| Phloroglucinol | Not determined | 408.5 ± 3.7 | 103.5 ± 1.9 | 124.7 ± 2.4 |
