In order to compare the volatile constituents between Houyanling koufuye and its single herb Chrysanthemi indici flos and Clematidis radix et rhizome, the volatile oils of Houyanling koufuye were taken from preparation process, and Chrysanthemi indici flos and Clematidis radix et rhizome were extrac ted by water steam distillation. Their structures were analyzed by GC - MS analysis. The relative con tents of the components were calculated with peak areas normalization method. The result indicated that there were 24, 34 and 27 volatile constituents in essential oil of recipe Houyanling koufuye, Chrysanthemi indici flos, Clematidis radix et rhizome, respectively. Their contents in volatile oils were determined to be 98. 14% , 81. 95%.and 93. 64% , respectively. The contents of volatile oils were different between Houy anling koufuye, Chrysanthemi indici flos and clematidis radix et rhizome.%比较分析喉咽灵口服液与方中野菊花和威灵仙的挥发性成分.取喉咽灵口服液制备过程中产生的挥发油,采用水蒸气蒸馏法分别提取野菊花和威灵仙挥发油,用GC-MS对其分析鉴定和比较,用峰面积归—化法计算各成分的相对含量.从喉咽灵口服液全方共鉴定出24个成分,野菊花挥发油鉴定出34个成分,威灵仙挥发油鉴定出27个成分,其中喉咽灵口服液全方鉴定出的成分占其挥发油样品总含量的98.14％；野菊花为81.95％；威灵仙为93.64％.喉咽灵口服液、野菊花和威灵仙的挥发油成分及含量有着很大的差别.
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