重渗漉法提取决明子有效成分的实验研究
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[摘要] 目的：研究采用重渗漉法提取决明子有效成分的实验条件，并制成决明子滴丸的液体中间体。方法：以大黄酚含量为指标、以总提取物得量为参考指标，用重渗漉法以不同浓度乙醇为溶剂和不同渗漉速度选择最佳的溶剂浓度和重渗漉速度。结果：最佳溶剂为80%乙醇，最佳重渗漉速度为2 ml/min。结论：以80%乙醇为溶剂和2 ml/min渗漉速度为最适宜的重渗漉条件，常压水浴浓缩制备投料用稠膏的方法基本可行，为研制决明子滴丸提供可靠的有效成分提取工艺。
[关键词] 决明子；滴丸；重渗漉法；提取工艺
[中图分类号]R284.2 [文献标识码]A [文章编号]1673-7210(2008)01(c)-030-02
The experimental study of extracting the effective components in Semen Cassiae by repercolation method
ZHOU Jian-biao
(The 82nd Hospital of PLA, Huaian 223001,China)
[Abstract] Objective：To study the experimental conditions of extracting effective components in Semen Cassiae by repercolation method, and to supply the dependable intermedium for preparing Semen Cassiae drop pill. Methods：By means of chrysophanic acid contents as index,the amount of total extractive acted as referred index,in the process of repercolation method by means of dissolvent of different concentration of ethyl alocohol and different percolation speed choosing optimal dissolvent concentration and repercolation speed ......
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