Journal
JOURNAL OF CHEMICAL THERMODYNAMICS
Volume 165, Issue -, Pages -Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jct.2021.106666
Keywords
Liquid-liquid equilibrium; Olive oil; Diacylglycerol; Glycerol; Isopropanol
Categories
Funding
- CAPES [001, 88887.311742/2018-00]
- CNPq [309181/2019-4, 310038/2020-0, 430922/2018-3, 303352/2017-5]
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The study presents experimental results and thermodynamic modeling of liquid-liquid equilibrium of systems containing different acylglycerols, showing the feasibility of diacylglycerol separation through liquid-liquid extraction.
Oils enriched with diacylglycerol have received a great deal of attention due to their potential health benefits when used as a replacement for conventional edible oils. This work reports experimental results and thermodynamic modeling of liquid-liquid equilibrium of systems containing mono-, di-and triacylclycerols from olive oil, glycerol and isopropanol. The UNIQUAC model was used in the description of phase equilibria, which was well fitted to experimental data with root mean square deviations equal or lower then 1.4 wt% for the all studies systems. The results presented in this work show the feasibility of diacylglycerol separation from other acylglycerols through liquid-liquid extraction using glycerol and isopropanol as solvents. (c) 2021 Elsevier Ltd.
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