Study on Extraction Conditions of 10-Deacetyl Baccatin Ⅲ from Taxus chinensis by Supercritical CO2 Fluid-Entrainer

Abstract

Abstract: Objective:To study the supercritical CO2 fluid extraction conditions of 10-deacetyl baccatin Ⅲ(10-DBA Ⅲ) from Taxus chinensis with ethanol as entrainer . Methods:Effects of extraction time,pressure,temperature and entrainer amount on extraction quantity of 10-DBA Ⅲ,and they were optimized by orthogonal test. Results:The optimal extraction conditions of 10-DAB Ⅲ are as follows:extract temperature 50 ℃,pressure 20 MPa,time 150 minutes and amount of ethanol 20 ml/200 g material. The maximum extraction rate of 10-DBA Ⅲ is 443.342μg/g.

Key words: Taxus chinensis, 10-deacetyl baccatin llI, supercritical CO2 fluid, extraction conditions

YE Cui-Ceng, ZHAO Liang-Zhong, XIA Xiang. Study on Extraction Conditions of 10-Deacetyl Baccatin Ⅲ from Taxus chinensis by Supercritical CO2 Fluid-Entrainer[J]. FOOD SCIENCE, 2008, 29(8): 342-345.

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Study on Extraction Conditions of 10-Deacetyl Baccatin Ⅲ from Taxus chinensis by Supercritical CO2 Fluid-Entrainer

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