The constituents analysis of the essential oils extracted by SFE-CO_2 from Impatiens chinensis

Objective To analyze the essential oils from Impatiens chinensis,in order to provide theoretical reference for the further research of its chemical composition.Methods The essential oils from Impatiens chinensis were extracted by SFE-CO2,analyzed and identified by GC-MS.The components were calculated with normalization method.Results 52 compounds were checked,and 27 compounds were identified.Relatively high content of compounds were N-hexacosane,Palmitic acid ethyl ester,etc.Conclusion This paper is the first time to analyze the components of the essential oils extracted from Impatiens chinensis by GC-MS.The method is a simple and accurate method,and provides a reference for further study of the chemical composition of herbs.