白背叶种仁油的提取及成分分析_刘世彪 . Extraction and analysis of kernel oil of Mallotus apelta

Abstract

Kernel oil of Mallotus apelta,obtained by supercritical CO2 fluit extraction(SFE-CO2)from the seed of the tree grown at Fenghuang County,Luxi County,Guzhang County and Jishou City of Hunan Province in China,were analyzed by gas chromatography-mass spectrometry(GC-MS)after esterification.The results revealed that oleic acid,palmitic acid,linoleic acid,stearic acid and azelaic acid were the five common components that existed in the kernel oils collected from the four sampling points,with their relative contents reduced in order.The former four components are major compositions of kernel oil,which comprising 98.92% of the oil from Fenghuang County,96.67% from Guzhang County,94.84% from Jishou City and 94.58% from Luxi County.q