Abstract
Antioxidant activities of acetone and methyl ethyl ketone extracts from leaves of Schisandra chinensis, one of traditional Chinese medicine consumed in the eastnorth region of China, were examined by a DPPH (1,1-Diphenyl-2-picrylhydrazyl) radical-scavenging assay and a β-carotene-linoleic acid test. In DPPH, the antioxidant activity of the acetone extracts, methyl ethyl ketone extracts and derivative were superior to that of control with IC50 were 256.54, 342.28 and 124.32μg/mL, respectively. In the β-carotene-linoleic acid test, IC50 were 278.29, 384.12 and 145.25μg/mL. It was concluded that Schisandra chinensis and its derivatives might be a potential natural source of antioxidants.
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