Analysis of Essential Oil Compounds from Different Species Osmanthus fragrans Lour.by Gas Chromatography-Mass Spectrometry

The essential oils from 3 varieties Osmanthus fragrans Lour.in Jiang Xi province were obtained by hydrodistillation and analysed by GC-MS.Main compounds of O.fragrans var.thunbergii were linalool oxide,geraniol,α-ionone,β-ionone,dihydroactinidiolide,butyl phthalate,etc.Main aroma components were geraniol,α-ionone,β-ionone,δ-decalactone and linalool oxide.The compounds of O.fragrans were linalool oxide,epoxylinalol,decalactone,β-ionol,β-ionone,diisobutyl phthalate,etc.Main aroma components were β-ionone,diisobutyl phthalate and linalool oxide.The compounds of O.fragrans var.semperflorens were geraniol,theaspirane,β-ionol,dihydroactinidiolide,decalactone,4-(2,6,6-Trimethyl-cyclohex-1-enyl)-butan-2-ol,etc.Main aroma components were β-ionol,geraniol and theaspirane.