Study on Optimization of Supercritical CO2 Fluid Extraction Technology of Chinese Dates（Zizyphus jujuba） Essential Oil

Abstract

Abstract: This study aimed to optimize the extraction conditions of volatile components from Chinese dates(Zizyphus jujuba) through orthogonal test and analyze the extract by using GC-MS. Four affecting factors were investigated,including extractive pressure,temperature,co-solvent type and ratio of raw material to co-solvent. The optimal extraction conditions are:extraction pressure 35 MPa,temperature 40 ℃,and ethanol as co-solvent,ratio of raw material to ethanol 1:0.9. The extraction yield could reach 1.51% under these optimal conditions.

Key words: Zizyphus jujuba, supercritical CO2 extraction, orthogonal test

CAO Yan-Ping, DAI Hong-Zhe, CAO Wei, LIU Bu-Ming, HAN Zhi-Ping. Study on Optimization of Supercritical CO2 Fluid Extraction Technology of Chinese Dates（Zizyphus jujuba） Essential Oil[J]. FOOD SCIENCE, 2008, 29(12): 231-233.

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Study on Optimization of Supercritical CO2 Fluid Extraction Technology of Chinese Dates（Zizyphus jujuba） Essential Oil

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