The Volatile Constitutes of Cnidium Monnieri by GC/MS
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Abstract
The volatile constitutes of Cnidium monnieri were extracted by hydro-distillation and supercritical CO2 extraction. 48 compounds are determined in these extracts,and are identified by capillary gas chromatography combined with mass spectrometric detection. 31 components are identified by hydro-distillation, while 21 components are identified by supercritical CO2 extraction. 6 coumarins including osthole, imperatorin, isopimpinellin, bergapten, xanthotoxin and xanthotoxol are detected in Cnidium monnieri (L.) Cuss. The results show that supercritical CO2 extraction for the volatiles from Cnidium monnieri (L.) Cuss. is more selective. The structure identification of osthole was discussed by mass spectrometry.
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