正交试验法优选冬凌草的提取工艺

The choice of extracting process of the robdosia rubescens hemsl by the Method of Orthoonal test

摘要: 目的:研究冷浸提取法中冬凌草的最佳提取条件.方法:采用正交试验法,以溶剂用量、提取时间和提取次数3个因素,每个因素选取3个水平进行实验.结果:因素A和因素B对冬凌草甲素的含量均有显著的影响,因素C则有一定的影响.结论:最佳工艺A3B3C2,即用10倍量95%EtOH提取2次,每次6d.

Abstract: OBJECTIVE:To study the bset extracting conditions of robdosia rubescens hemsl in the cold - soaked way.METHODS:A orthogonal test method was used,the solvent dosage,extracting time and extracting times are the three factors in the experiment. And we choose