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Antiradical activities in chestnut burs extracts and fractions.
| EC50 (μg/assay) | ||||||
|---|---|---|---|---|---|---|
| Water extraction | 30% Ethanol extraction | 50% Ethanol extraction | 75% Ethanol extraction | Fraction II | Fraction I | |
| DPPH | 50.9 | 36.0 | 35.9 | 33.8 | 11.4 | 188 |
| ABTS | 10.6 | 8.48 | 8.03 | 7.03 | 5.80 | 12.5 |
