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dc.contributor.authorHigueras, Lauraes_ES
dc.contributor.authorLópez Carballo, Graciaes_ES
dc.contributor.authorGavara, Rafaeles_ES
dc.contributor.authorHernández Muñoz, Pilares_ES
dc.date.accessioned2016-08-01T07:32:35Z-
dc.date.available2016-08-01T07:32:35Z-
dc.date.issued2016-06-20-
dc.identifier.citationCarbohydrate Polymers 151:1193-1202 (2016)es_ES
dc.identifier.issn0144-8617-
dc.identifier.urihttp://hdl.handle.net/10261/135163-
dc.description.abstractChitosan films filled with hydroxypropyl-β-cyclodextrin at a 1:1 weight ratio and plasticized with 35 or 50% glycerol or 35% propylene glycol were prepared by casting and conditioned at different relative humidities to achieve a similar water content. Sorption properties of the films for various monoterpene compounds with phenolic, or with linear or cyclohexyl alcohol structures were studied after their immersion in the volatile liquids. In general, the films presented a considerable capacity to retain monophenolic compounds, with sorption values ranging from 455% for meta-cumenol to 193% for guaiacol, for chitosan films with the same formulation. These values were two orders of magnitude higher than those of compounds without the phenol group. The affinity for monophenolic compounds decreased in films plasticized with hydrophilic propylene glycol, whereas no changes were observed in the retention of non-phenolic monoterpenes. Replacement of chitosan with polyvinyl alcohol polymer considerably decreased the retention of monophenolic compounds, with the exception of isoeugenol. Finally, the antimicrobial activity of monoterpenes and films loaded with them was evaluated in vitro by the microatmosphere test against Escherichia coli and Staphylococcus aureus. The present study shows that hydroxypropyl-β-cyclodextrin and the plasticization level achieved by hydrophilic films can be used to regulate loading capacity and sorption selectivity of naturally occurring antimicrobial compounds.es_ES
dc.description.sponsorshipThe authors acknowledge financial support from the Spanish Ministry of Economy and Competitiveness (MINECO, AGL2012-39920-C03-01 and AGL2015-64595-R projects). Laura Higueras thanks the Spanish National Research Council for a JAE-PreDoc Fellowship.es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.relationinfo:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/AGL2015-64595-Res_ES
dc.relation.isversionofPostprintes_ES
dc.rightsopenAccessen_EN
dc.subjectChitosanes_ES
dc.subjectPolyvinyl alcoholes_ES
dc.subjectHydroxypropyl-β-cyclodextrines_ES
dc.subjectFilmses_ES
dc.subjectSorption selectivityes_ES
dc.subjectAntimicrobial activityes_ES
dc.titleEffect of hydroxypropyl-β-cyclodextrin and coadjuvants on the sorption capacity of hydrophilic polymer films for monoterpene alcoholses_ES
dc.typeartículoes_ES
dc.identifier.doi10.1016/j.carbpol.2016.06.082-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.carbpol.2016.06.082es_ES
dc.embargo.terms2017-06-20es_ES
dc.rights.licensehttps://creativecommons.org/licenses/by-nc-nd/4.0/es_ES
dc.contributor.funderMinisterio de Economía y Competitividad (España)es_ES
dc.contributor.funderConsejo Superior de Investigaciones Científicas (España)es_ES
dc.relation.csices_ES
oprm.item.hasRevisionno ko 0 false*
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003329es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003339es_ES
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.openairetypeartículo-
item.cerifentitytypePublications-
item.fulltextWith Fulltext-
item.languageiso639-1en-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextopen-
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