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采用L9（34）正交实验设计，以淫羊藿甙的含量为考核指标，对育嗣灵胶囊醇提部分提取工艺进行了研究，结果表明：以8倍量80％乙醇回流提取3次，每次2．0h为最佳工艺。
Using L9 (34) orthogonal experimental design, the content of epimedium was used as an assessment index to study the extraction process of the ethanol extract from Yufuling capsule. The results showed that: 8 times the amount of 80% ethanol reflux extraction 3 times, Each 2.0h is the best process.