正交试验法优选中胃康胶囊中黄芪的提取工艺

Study on extraction technique of in zhongweikang capsules by orthogonal method

【目的】探讨中胃康胶囊中黄芪的提取工艺。【方法】采用正交试验设计方法 ,用水作溶媒 ,提取黄芪甲甙等有效成分 ,并以黄芪甲甙提取率及出膏率为指标 ,考察了加水量、浸泡时间、煎煮时间及煎煮次数 4个因素对黄芪甲甙等有效成分提取量的影响。【结果】黄芪中药饮片加 6倍水 ,提取 3次 ,每次煎煮 1h ,黄芪甲甙等有效成分的提取率最高。【结论】该制备提取工艺合理 ,质量稳定 ,黄芪甲甙等有效成分提取率高。

To study the extraction technique of radix asragali in Zhongweikang capsules.The extraction technique was selected by orthogonal method.The influential factors for the extraction of effective ingredients that included the amount of adding water,the time of soaking and decocting medicinal herb,and extraction time studied.The best extraction technology is that adding 6 fold of water solution to medicinal herb for 3 times and 1h per time.[Conclusion]The extraction technique was reasonable and stable.The extraction rate of effective ingredients is high.