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dc.contributor.authorRodrigues, Plínio Ribeiro; et. al.-
dc.contributor.otherPT_Br
dc.date.accessioned-
dc.date.accessioned2022-05-10T19:11:55Z-
dc.date.availablePT_Br
dc.date.available2022-05-10T19:11:55Z-
dc.date.copyright-
dc.date.issued2021-
dc.identifierPT_Br
dc.identifier.citationInternational Journal of Biological Macromolecules v. 193, p. 425-432, 2021.pt_BR
dc.identifier.urihttp://repositorio.ital.sp.gov.br/jspui/handle/123456789/290-
dc.description.abstractAntioxidant and antimicrobial activities are important characteristics of active film packaging designed to extend food preservation. In this study, functional bio-based films were produced using different concentrations of antioxidant poly(β-pinene) bio-oligomer synthesized via organocatalyzed atom transfer radical polymerization (O-ATRP) and blended with chitosan of different molecular weights. The structural, mechanical, thermal, solubility, antioxidant, and antimicrobial properties of the films were investigated. The poly(β-pinene)-chitosan blends presented significant pores and irregularities with the increase of poly(β-pinene) concentration over 30%. Chitosan molecular weight did not show any important influence in the physical properties of the blends. Poly (β-pinene) load decreased the materials' tensile strength and melting temperature, exhibiting a plasticizing effect on chitosan chains. The antioxidant and antimicrobial activities of the films were improved by poly(β-pinene) incorporation and mainly depended on its concentration. Therefore, the incorporation of poly(β-pinene) in chitosan films can be an alternative for active packaging production.pt_BR
dc.formatPT_Br
dc.languagePT_Br
dc.language.isoenpt_BR
dc.publisherElsevier Ltd.pt_BR
dc.rightsPT_Br
dc.sourcePT_Br
dc.subjectBiopolymerpt_BR
dc.subjectBlendpt_BR
dc.titleO-ATRP synthesized poly(β-pinene) blended with chitosan for antimicrobial and antioxidant bio-based films productionpt_BR
dc.typeArticlept_BR
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