正交试验法优选复方三七活血颗粒中药材的提取工艺研究

目的优选复方三七活血颗粒中药材的最佳提取工艺。方法采用正交试验法，以提取液中三七总皂苷的含量以及总固体得率为指标，综合评分优选药材的提取工艺。结果药材较优的提取工艺为加水12倍，提取3次，每次2h。结论优选的提取工艺各活性部位提取率高，操作简便，适用于生产。

Study on the Extraction Process of Herbs in Compound Sanqi Huoxue Granules by Orthogonal Desisn

Objective The technology of optimal extraction for compound sanqi huoxue granules was investigated in this study. Methods Orthogonal test was employed for selecting the optimum of extraction technol- ogy by comprehend score and the indexes of the contents of panax notoginseng saponins, total solid matters in water extraction. Results Twelve volumes of water, extracting 3 times with two hours for each time was considered the optimum extraction technology of herbs. Conclusions The considerable extraction rate of active components in the drugs is achieved by applying the selected technology, and the simple method is fit for production.