To identify the volatile chemical constituents in Hugan capsule by GC -MS .The method of water-steam distillation was applied to extract volatile constituents from Hugan capsule .The volatile constituents in Hugan capsule were analyzed by GC -MS database system .Fifty nine components were obtained ,and 42 were identified ,representing 94.56% of total amount .Borneol and Isoborneol had highest content ,ac-counting for 86.3% of total amount .% 采用气相色谱-质谱联用技术分析护肝胶囊中挥发性成分。共分离得到59个化合物,鉴定出42个,占总量的94.56%。护肝胶囊中主要挥发性成分为萜类,其中龙脑和异龙脑含量较高,占总量的86.3%。
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