1.Quality Standard of Yinqiao Xiaozhen Mixture
Xiaoguang SONG ; Shaoping WANG ; Bingrun LI ; Shengguang WANG ; Haitao YU ; Shuai YU ; Qingfeng LIU ; Yuanyuan LI ; Ting LI ; Xiaomei LIU ; Long DAI ; Peng GAO
Herald of Medicine 2018;37(3):338-340
Objective To establish a quality standard of yinqiao xiaozhen mixture. Methods Preparation of Forsyth-ia,Arctium lappa L.,and Honeysuckle were identified by TLC method.The concentration of baicalin in yinqiao xiaozhen mixture was determined by HPLC method. Results The qualitative identification method can detect Forsythia,Arctium lappa L.,and Honeysuckle.TLC spots were clear.TLC method has strong specificity.The linear range of baicalin was 0.122 5-1.531 2 μg,r=0.999 9,the average sample recovery rate was 99.42%,RSD was 2.19%,respectively. Conclusion The method is simple,ac-curate and repeatable,which can be used for quality control of Qinqiao xiaozhen mixture.
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