Solubility of triacylglycerols in supercritical carbon dioxide

被引：64
|
作者：
Soares, B. M. C.
Gamarra, F. M. C.
Paviani, L. C.
Goncalves, L. A. G.
Cabral, F. A.
机构：
[1] Univ Estadual Campinas, Dept Food Engn, BR-13083862 Campinas, SP, Brazil
[2] Univ Estadual Campinas, Dept Food Technol, BR-13083862 Campinas, SP, Brazil
来源：
JOURNAL OF SUPERCRITICAL FLUIDS | 2007年 / 43卷 / 01期
基金：
巴西圣保罗研究基金会;
关键词：
solubility; triacylglycerols; attalea funifera; virola sebifera; sunflower oil; corn oil;
D O I：
10.1016/j.supflu.2007.03.013
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The solubility of refined corn and sunflower seed oils, babassu (Attalea funifera) and ucuuba (Virola sebifera) fats in supercritical carbon dioxide (SC-CO2) were measured in a temperature range from 40 to 80 degrees C and pressure between 200 and 350 bar. Under working conditions, the values Of Solubility showed retrograde behavior. Experimental SC-CO2 solubility data were collected from the literature for the following systems: tricaprylin (CCC), trilaurin (LLL), trimyristin (MMM), tripalmitin (PPP), tristearin (SSS), triolein (OOO), blackcurrant seed oil and canola seed oil, and analyzed together with the values obtained in this work. Chrastil's equation was used to correlate the solubility of oils in CO, as a function of the temperature and density of the SC-CO2. An analysis of the results showed that the parameters of Chrastil's equation could be correlated to the fatty acid composition of the triacylglycerols. (C) 2007 Published by Elsevier B.V.
引用
收藏
页码：25 / 31
页数：7
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