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采用邻苯三酚自氧化法，对淫羊藿叶中多糖及水提液对氧自由基（Ｏ２）的清除作用进行测定，结果表明：水提液对Ｏ２有明显清赊作用，而多糖无清除能力。
Using pyrogallol autoxidation method, the scavenging effect of polysaccharides and water extracts of Epimedium on oxygen free radicals (O2) was determined. The results showed that: water extracts have significant clearing effect on O2, but no polysaccharides Clear ability.