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探讨了地黄的提取工艺条件，采用薄层扫描法，以梓醇为检测指标，考察了不同提取工艺对梓醇含量及提取浸膏量的影响，探索筛选了地黄的最佳提取工艺条件。
The extraction process conditions of Rehmannia glutinosa were discussed. The thin-layer scanning method was used. The sterols were used as the detection index. The effects of different extraction processes on the content of sterols and the amount of extracted extracts were investigated. The optimum extraction conditions of Rehmannia glutinosa were explored and screened.