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Effects of chitosan on the physicochemical and antimicrobial properties of PLA films

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Effects of chitosan on the physicochemical and antimicrobial properties of PLA films

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dc.contributor.author Bonilla Lagos, Maria Jeannine es_ES
dc.contributor.author Fortunati, Elena es_ES
dc.contributor.author Vargas, Maria es_ES
dc.contributor.author Chiralt, A. es_ES
dc.contributor.author Kenny, J.M. es_ES
dc.date.accessioned 2017-01-16T08:31:53Z
dc.date.available 2017-01-16T08:31:53Z
dc.date.issued 2013-11
dc.identifier.issn 0260-8774
dc.identifier.uri http://hdl.handle.net/10251/76816
dc.description.abstract [EN] Films based on polylactic acid (PLA) and different amounts of chitosan powder (CH), were prepared by extrusion. The effects of CH particle size (715 and 180 mu m) and the amount of chitosan incorporated in the PLA matrix (5% or 10% on PLA basis) were investigated in terms of physicochemical characteristics and antimicrobial activity of the films. The incorporation of CH particles led to less rigid and less stretchable films. Thermal properties of PLA were not affected by chitosan addition. Water vapor permeability of the composite films was higher than pure PLA films. PLA:CH composite showed significant antimicrobial activity against total aerobial and coliform microorganisms, especially when the particle size of CH was reduced. es_ES
dc.description.sponsorship The authors acknowledge the financial support provided by Ministerio de Educacion y Ciencia (Project AGL2010-20694). J. Bonilla thanks Generalitat Valenciana for Santiago Grisolia grant. The authors E. Fortunati and J.M. Kenny gratefully acknowledge the financial support from the National Consortium of Materials Science and Technology (INSTM). E.F. is the recipient of the fellowship "L'Oreal Italia per le Donne e la Scienza 2012" for the project "Progettazione, sviluppo e caratterizzazione di biomateriali nanostrutturati capaci di modulare la risposta e il differenziamento delle cellule staminali". en_EN
dc.language Inglés es_ES
dc.publisher Elsevier es_ES
dc.relation.ispartof Journal of Food Engineering es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Polylactic acid (PLA) es_ES
dc.subject Chitosan es_ES
dc.subject Polymer blends es_ES
dc.subject Antimicrobial es_ES
dc.subject Mechanical properties es_ES
dc.subject Water vapor permeability es_ES
dc.subject.classification TECNOLOGIA DE ALIMENTOS es_ES
dc.title Effects of chitosan on the physicochemical and antimicrobial properties of PLA films es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.jfoodeng.2013.05.026
dc.relation.projectID info:eu-repo/grantAgreement/MICINN//AGL2010-20694/ES/FILMS Y RECUBRIMIENTOS COMESTIBLES%2FBIODEGRADABLES, CON ACTIVIDAD ANTIMICROBIANA Y ANTIOXIDANTE, PARA USO ALIMENTARIO. UTILIZACION DE PROCESADO EN HUMEDO Y EN SECO./ es_ES
dc.rights.accessRights Cerrado es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Tecnología de Alimentos - Departament de Tecnologia d'Aliments es_ES
dc.description.bibliographicCitation Bonilla Lagos, MJ.; Fortunati, E.; Vargas, M.; Chiralt, A.; Kenny, J. (2013). Effects of chitosan on the physicochemical and antimicrobial properties of PLA films. Journal of Food Engineering. 119(2):236-243. doi:10.1016/j.jfoodeng.2013.05.026 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://dx.doi.org/10.1016/j.jfoodeng.2013.05.026 es_ES
dc.description.upvformatpinicio 236 es_ES
dc.description.upvformatpfin 243 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 119 es_ES
dc.description.issue 2 es_ES
dc.relation.senia 246521 es_ES
dc.contributor.funder Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali, Italia
dc.contributor.funder Ministerio de Ciencia e Innovación
dc.contributor.funder Generalitat Valenciana
dc.contributor.funder L'Oréal es_ES


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