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- W2377111048 abstract "[Objective]The aim of this study was to extract the flavor substances in ginger better. [Method] Three extraction ways of steam distillation,organic solvent extraction and supercritical CO2 extraction were used to extract the flavor substances in ginger and their products were analyzed by HPLC and GC-MS. [Result] The ginger essential oil extracted by steam distillation method was light yellow and had refractive index of 1.491～1.497 at 20 ℃ ,density d20 of 0.855～0.890 g/ml and yield of 0.7%～1.2%,with the major components as containing oxygen derivatives such as monoterpene, monoterpenols,aldehyde and ester and sesquiterpene. The optimum process for supercritical CO2 extraction was follows: extracting time of 80 min,extracting temperature of 35 ℃ and extracting press of 15 MPa. The gained ginger essential oil was thick and dark yellow and had refractive index of 1.490～1.512 at 20 ℃ ,density d20 of 0.950～0.975 g/ml and their the major components were zingiberene,farnesene,β-sesquiphellandrene,β-phellandrene,accounting for 88.29% of chromatographic peak counted by area normalization method. The organic solvent extraction was low in extracting yield and more impurity in extracted product. [Conclusion] The extract by supercritical CO2 extraction method contained more alcohol compounds,and showed the ginger unique flavor better." @default.
- W2377111048 created "2016-06-24" @default.
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- W2377111048 date "2008-01-01" @default.
- W2377111048 modified "2023-09-23" @default.
- W2377111048 title "Contrasting Analysis on Ginger Flavor Substances by Using Different Extraction Ways" @default.
- W2377111048 hasPublicationYear "2008" @default.
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