药对款冬花、紫菀及其单味药中挥发油的GC-MS分析

Comparative analysis of volatile constituents in herbal pair Flos Farfarae –Tatarian Aster Root and its signal herb by GC-MS

摘要:

为比较款冬花与紫菀配伍前后挥发油成分的变化，采用水蒸气蒸馏分别对药对款冬花-紫菀及单味药挥发油进行了提取，并结合GC-MS-结合计算机检索技术对所得样品化学成分进行了分离和结构鉴定，用峰面积归一法测定各组分的相对百分含量。结果显示从药对款冬花-紫菀、款冬花和紫菀挥发油分别鉴定了37、31和32个色谱峰，各占挥发油总峰面积的96.48%、88.47%和91.61%。药对产生4种新的化合物，而且它们共有成分配伍前后含量也有所改变。

Abstract:

In this paper, the constituents of essential oils which extracted with hydrodistillation from the herbal pair Flos Farfarae –Tatarian Aster Root (FF-TAR) and its signal herbs were analyzed by capillary GC-MS and elucidated based on the standard mass spectral data. 52, 44 and 45 kinds of volatile components were identified respectively. Relative mass fractions of the constituents were determined by area normalization method. The identified relative contents of essential oils were 96.48%, 88.47% and 91.61%, respectively. Four new volatile compounds in herbal pair Flos Farfarae –Tatarian Aster Root are produced because of the chemical reactions and physical changes occurred in the process of decocting two single herbs.