超臨界二酸化炭素による杭白菊油の抽出

概要

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Supercritical fluid extraction of oil from dried Chinese chrysanthemum (hang-bai-ju) flowers was studied using carbon dioxide as a solvent The effect of the operation parameters was examined in a series of experiments at temperature between 308 K and 318 K and pressure between 12.5 MPa and 20.0 MPa. The components of the extracted oil were analyzed by GC/MS. The results indicated that the extraction rate of Chrysanthemum oil increased at higher temperatures and pressures, and the optimal conditions for the extraction were 318 K and 20.0 MPa. The main components of the extracted oil were several saturated hydrocarbons, comprising about 80%. Fatty acids, fat-soluble vitamins, plant sterols, and triterpenes were also present in small amounts.
八戸工業高等専門学校の論文