The extraction procession of Gandujing granules was studied by orthogonal design with dry extract yield and chlorogenic acid as the detective marker.
以干膏得率和绿原酸提取率为考核指标，采用正交设计法对肝毒净颗粒水提取工艺进行考察。
Objective To determine the contents of scutellarin and chlorogenic acid in Qingkailing extract by HPLC.
目的建立清开灵膏中黄芩苷和绿原酸的含量测定方法。
Result: The number of times for extract and the quantity has obviously effect on the chlorogenic acid extract.
结果：提取次数及溶媒用量对绿原酸的提取有较大影响；
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