Extraction of the volatile compounds from Folium glycosmis parviflorae by steam distillation and supercritical fluid extraction

OBJECTIVE To analyze the chemical constituents of the volatile compounds from Folium glycosmis parviflorae by different extraction methods.METHODS The volatile compounds were extracted by steam distillation(SD) and by supercritical fluid extraction(SFE) separately,constituents were separated and identified by GC-MS.RESULTS Sixty compounds were isolated and thirty-eight compounds were identified by SD which composed about 92.28% of the total essential oils;and fifty-nine compounds were isolated and twenty-seven compounds were identified by SFE that composed about 72.13% of the total essential oils.CONCLUSION There are differences in the chemical constituents and contents by the two extraction methods.