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EC50 values of fucoidans extracted from C. crinita, C. compressa, and C. sedoides in radical scavenging activity
| Ascorbic acid | C. sedoides | C. compressa | C. crinita | |
|---|---|---|---|---|
| EC50*(mg/ml) | 0.13 ± 0.01 | 0.96 ± 0.01 | 0.84 ± 0.06 | 0.76 ± 0.04 |
*EC50 value: the effective concentration at which the antioxidant activity was 50%; the absorbance was 0.5 for reducing power; 1,1-diphenyl-2-picrylhydrazyl (DPPH).
