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Artículo

Migration and degradation in composting environment of active polylactic acid bilayer nanocomposites films: Combined role of umbelliferone, lignin and cellulose nanostructures

Iglesias Montes, Magdalena LuzIcon ; Luzi, Francesca; Dominici, Franco; Torre, Luigi; Manfredi, Liliana BeatrizIcon ; Cyras, Viviana PaolaIcon ; Puglia, Debora
Fecha de publicación: 01/2021
Editorial: Multidisciplinary Digital Publishing Institute
Revista: Polymers
e-ISSN: 2073-4360
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Bioproductos, Biomateriales, Bioplásticos, Biocombustibles, Bioderivados, etc.

Resumen

This study was dedicated to the functional characterization of innovative poly(lactic acid) (PLA)-based bilayer films containing lignocellulosic nanostructures (cellulose nanocrystals, CNC or lignin nanoparticles, LNP) and umbelliferone (UMB) as active ingredient (AI), prepared to be used as active food packaging. Materials proved to have active properties associated with the antioxidant action of UMB and LNP. In fact, the combination of both ingredients in the bilayer formulations produced a positive synergic effect inducing the highest antioxidant capacity. The results of overall migration for the PLA bilayer systems combining CNC or LNP and UMB revealed that none of these samples exceeded the overall migration limit required by the current normative for food packaging materials in both non-polar and polar simulants. Finally, all the hydrophobic monolayer and bilayer films were completely disintegrated in composting conditions in less than 18 days of incubation, providing a good insight on the potential use of these materials for application as active and compostable food packaging.
Palabras clave: POLY(LACTIC ACID) , CELLULOSE NANOCRYSTALS , LIGNIN NANOPARTICLES , UMBELLIFERONE , ACTIVE FOOD PACKAGING , DISINTEGRATION IN COMPOST , OVERALL MIGRATION
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution 2.5 Unported (CC BY 2.5)
Identificadores
URI: http://hdl.handle.net/11336/232703
URL: https://www.mdpi.com/2073-4360/13/2/282
DOI: http://dx.doi.org/10.3390/polym13020282
Colecciones
Articulos(INTEMA)
Articulos de INST.DE INV.EN CIENCIA Y TECNOL.MATERIALES (I)
Citación
Iglesias Montes, Magdalena Luz; Luzi, Francesca; Dominici, Franco; Torre, Luigi; Manfredi, Liliana Beatriz; et al.; Migration and degradation in composting environment of active polylactic acid bilayer nanocomposites films: Combined role of umbelliferone, lignin and cellulose nanostructures; Multidisciplinary Digital Publishing Institute; Polymers; 13; 2; 1-2021; 1-16
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