On the application of supercritical fluid extraction to the deacidification of olive oils |
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| Authors: | M. Gonçalves A. M. P. Vasconcelos E. J. S. Gomes de Azevedo H. J. Chaves das Neves M. Nunes da Ponte |
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| Affiliation: | (1) Present address: Departamento de Quimica, Faculdade de Ciencias e Tecnologia, Universidade Nova de Lisboa, 2825 Monte da Caparica, Portugal;(2) Centro de Quimica Estrutural, Instituto Superior Tecnico, P, 1096 Lisboa, Portugal |
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| Abstract: | A recent suggestion on the applicability of supercritical fluid extraction to the deacidification of olive oils of high acid content was based on solubility data in clear disagreement with the results of other authors. In this work, we measured the solubilities of substances chosen for their importance in that extraction process, namely pure glycerol trioleate, the most abundant triglyceride in olive oil, and of a husk oil with a high acid content. Our results agree well with some of the previous reports on this subject. These seem to be a trustworthy data base, but more results are needed for a definite conclusion about the technical feasibility of the process. |
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| Keywords: | Deacidification Husk oil Olive oil Supercritical carbon dioxide |
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