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Biocatalytic synthesis of polymeric esters used as emulsifiers

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dc.contributor.authorOrtega Requena, Salvadora
dc.contributor.authorSerrano-Arnaldos, M.
dc.contributor.authorMontiel Morte, María Claudia
dc.contributor.authorMáximo, María Fuensanta
dc.contributor.authorBastida Rodríguez, Josefa
dc.contributor.authorMurcia Almagro, María Dolores
dc.contributor.departmentIngeniería Química
dc.date.accessioned2021-10-18T16:10:45Z
dc.date.available2021-10-18T16:10:45Z
dc.date.copyright© 2019 los autores
dc.date.issued2019
dc.description.abstractPolyglycerol polyricinoleate (PGPR) is a polymeric ester widely used as emulsifier in the food industry. In this work, PGPR biocatalytic synthesis was carried out in a onestep solvent-free enzymatic process using lipase CALB immobilized in Lewatit® Monoplus MP 64 by adsorption. The optimal immobilization conditions were determined: initial enzyme concentration of 13 mg of Lowry protein per mL phosphate buffer pH 7, and ricinoleic acid as a support activator. An immobilized derivative with 35.93 ± 4.90 mg of Lowry protein per g of dry support was obtained. It was used as a catalyst for PGPR production in open air and vacuum batch reactors, and the results obtained showed that only when the reaction equilibrium was shifted towards ester production by means of water removal, the PGPR produced fulfilled the European legislation (acid value ≤ 6 mg of KOH per g of product).es
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dc.format.extent8es
dc.identifier.citationChem. Biochem. Eng. Q., 33 (1) 79–86 (2019)
dc.identifier.doihttps://doi.org/10.15255/CABEQ.2018.1303
dc.identifier.eissn1846-5153
dc.identifier.issn0352-9568
dc.identifier.urihttp://hdl.handle.net/10201/112975
dc.languagespaes
dc.publisherCroatian Society of Chemical Engineerses
dc.relationThis work has been funded with support from the Spanish MINECO (CTQ2015-66723-R) and the European Commission (FEDER/ERDF). M. D. Murcia and S. Ortega were beneficiaries, both from MINECO, of Ramon y Cajal contract (RYC-2016-20211) and Torres Quevedo (PTQ-15-08015) grant, respectively .es
dc.relation.publisherversionhttp://silverstripe.fkit.hr/cabeq/past-issues/article/1645
dc.rightsinfo:eu-repo/semantics/openAccesses
dc.rightsAttribution 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectBiocatalysises
dc.subjectEnzymeses
dc.subjectEsterificationes
dc.subjectImmobilizationes
dc.subjectLipaseses
dc.titleBiocatalytic synthesis of polymeric esters used as emulsifierses
dc.typeinfo:eu-repo/semantics/articlees
dc.type.versioninfo:eu-repo/semantics/publishedversión
dspace.entity.typePublicationes
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