OBJECTIVE To establish the optimal extraction technique for extracting Semen Pruni Armeniacae and other medicinal materials from Xingbei Granule.

目的确定杏贝颗粒处方中苦杏仁等药材的最佳提取工艺条件。

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Methods: By single-factor experiment, quantity of water, degree of crush, time of extraction and soakage and the part of medicinal materials were studied.

方法：以挥发油所得量为评价指标，采用单因素比较法对提取过程中的加水量、药材粉碎度、提取时间、浸润时间及药材提取部位等进行了全面比较。

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This paper studies the extraction of medicinal cornel which has good bacteriostasis and antisepsis effect takes them as materials of keep fresh agent.

以具有优良抑菌作用的山茱萸果肉提取液为原料制成保鲜剂，对陕西红富士苹果进行保鲜实验，并与不经任何处理的对照相对比。

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