Comparative analysis of volatile oils of Wuao decoction and its major constituing herbs by GC-MS / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To evaluate the correlativity between volatile components of Wuao decoction and its major constituting herbs.</p><p><b>METHOD</b>The chemical compositions of essential oil, obtained by hydrodistillation from Wu-ao Decoction and its major constituting herbs (Herba Ephedrae, Semen Armeniacae Amarum, Radix Platycodi, Herba Schizonepetae), were analyzed by GC-MS.</p><p><b>RESULT</b>The volatile components of Wu-ao Decoction were mostly derived from Herba Ephedrae, Radix Platycodi and Herba Sehizonepetae.</p><p><b>CONCLUSION</b>The method of GC-MS can be used to investigate the volatile component changes in traditional Chinese medicine formulae.</p>