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Gel filtration chromatography of ACH-III on a Sephadex G-15 column (A) and hydroxyl radical scavenging activity of its four subfractions (B). All the results were triplicates of mean ± SD; SD: Standard deviation. (a–c) Values with same letters indicated no significant difference of same sample at different concentrations (p > 0.05). (A–E) Values with same letters indicated no significant difference of different sample at same concentrations (p > 0.05).
