MethodsThe constitue nts of headspace gas from Chinese herbs,such as Cortex moutan radicis,Radix cynanchi paniculati and root-bark of Paeonia lactiflora. were analyzed by HSGC.

• 方法应用顶空气相色谱法对牡丹皮、徐长卿、芍药根皮进行顶空气体成分分析。