2026-05-12T06:50:59Zhttps://riubu.ubu.es/oai/request

oai:riubu.ubu.es:10259/50772021-11-10T09:38:20Zcom_10259_4244com_10259_5086com_10259_2604col_10259_4245

Melgosa Gómez, Rodrigo 357 500 Sanz Díez, Mª Teresa 530 500 Benito Román, Oscar 59 500 0000-0002-4418-0045 Illera Gigante, Alba Ester 296 500 Beltrán Calvo, Sagrario 57 500 2019-03-20T09:00:14Z 2019-05 2021-06 2212-9820 http://hdl.handle.net/10259/5077 10.1016/j.jcou.2019.02.015 Supercritical carbon dioxide (SC−CO2) has been used as solvent in the ethanolysis of fish oil rich with omega-3 polyunsaturated fatty acids (n-3 PUFAs) by Lipozyme 435. The effect of experimental conditions: initial ethanol-to-oil molar ratio (MR, 6:1-76:1), pressure (10–30 MPa), and temperature (323–343 K) on the reaction performance has been studied. Experimental results have been fitted to a kinetic model based on a Ping Pong Bi Bi mechanism. High accumulation of monoacylglycerides (MAGs) has been observed in short reaction times (90 min at MR = 76:1, 10 MPa, 323 K). Subsequent purification of reaction products by supercritical fluid extraction (SFE) in the experimental range 10–28 MPa and 298–333 K yielded an extract rich with fatty acid ethyl esters (FAEE) (up to 99.46%wt.), and a raffinate with up to 82.25%wt. MAG and 49.5%wt. n-3 PUFAs. Spanish Government through MINECO and the European Regional Development Fund (ERDF) for financial support [grant number CTQ2012-39131-C02-01] and RM’s and AEI’s contracts [BES-2013-063937, CTQ2015-64396-R]. To Junta de Castilla y León and ERDF for financial support [grant number BU055U16] and ÓBR’s post-doctoral contract. application/pdf eng Elsevier Journal of CO2 Utilization. 2019, V. 31, p. 65-74 https://doi.org/10.1016/j.jcou.2019.02.015 info:eu-repo/grantAgreement/MINECO/CTQ2012-39131-C02-01 info:eu-repo/grantAgreement/JCyL/BU055U16 Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess Omega 3 Lipase Ethanolysis Supercritical carbon dioxide Supercritical fluid extraction Ingeniería química Chemical engineering Supercritical CO2 assisted synthesis and concentration of monoacylglycerides rich in omega-3 polyunsaturated fatty acids info:eu-repo/semantics/article info:eu-repo/semantics/acceptedVersion CC-LICENSE license_rdf license_rdf application/rdf+xml; charset=utf-8 805 https://riubu.ubu.es/bitstream/10259/5077/8/license_rdf 4460e5956bc1d1639be9ae6146a50347 MD5 8 THUMBNAIL Melgosa-joco_2019.pdf.jpg Melgosa-joco_2019.pdf.jpg IM Thumbnail image/jpeg 3960 https://riubu.ubu.es/bitstream/10259/5077/7/Melgosa-joco_2019.pdf.jpg cb0107ba5964e146d78a7d7e6a540512 MD5 7 ORIGINAL Melgosa-joco_2019.pdf Melgosa-joco_2019.pdf application/pdf 809212 https://riubu.ubu.es/bitstream/10259/5077/1/Melgosa-joco_2019.pdf f1a9498960c4903dfe608faa62646a85 MD5 1 LICENSE license.txt license.txt text/plain; charset=utf-8 998 https://riubu.ubu.es/bitstream/10259/5077/5/license.txt aa90105e1c90a1b4fe810649aa967b7d MD5 5 TEXT Melgosa-joco_2019.pdf.txt Melgosa-joco_2019.pdf.txt Extracted text text/plain 55979 https://riubu.ubu.es/bitstream/10259/5077/6/Melgosa-joco_2019.pdf.txt 537b4db66c76cac49851dc4be03c7ed1 MD5 6 10259/5077 oai:riubu.ubu.es:10259/5077 2021-11-10 10:38:20.794 Repositorio Institucional de la Universidad de Burgos bubrep@ubu.es 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