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dc.contributor.author Fiallos-Núñez , Johanna
dc.contributor.author Cardero , Yaniel
dc.contributor.author Cabrera Barjas, Gustavo
dc.contributor.author García-Herrera , Claudio M.
dc.contributor.author Inostroza, Matías
dc.contributor.author Estevez , Miriam
dc.contributor.author España-Sánchez, , Beatriz Liliana
dc.contributor.author Valenzuela , Loreto M
dc.date.accessioned 2024-09-26T00:53:54Z
dc.date.available 2024-09-26T00:53:54Z
dc.date.issued 2024-01
dc.identifier.issn 2073-4360
dc.identifier.other Mendeley: 38a277af-8756-3b21-a8c8-49c1ac0d4518
dc.identifier.uri https://repositorio.uss.cl/handle/uss/13977
dc.description Publisher Copyright: © 2024 by the authors.
dc.description.abstract Biopolymer-based films are a promising alternative for the food packaging industry, in which petrochemical-based polymers like low-density polyethylene (LDPE) are commanding attention because of their high pollution levels. In this research, a biopolymer-based film made of chitosan (CS), gelatin (GEL), and glycerol (GLY) was designed. A Response Surface Methodology (RSM) analysis was performed to determine the chitosan, gelatin, and glycerol content that improved the mechanical properties selected as response variables (thickness, tensile strength (TS), and elongation at break (EAB). The content of CS (1.1% w/v), GEL (1.1% w/v), and GLY (0.4% w/v) in the film-forming solution guarantees an optimized film (OPT-F) with a 0.046 ± 0.003 mm thickness, 11.48 ± 1.42 mPa TS, and 2.6 ± 0.3% EAB. The OPT-F was characterized in terms of thermal, optical, and biodegradability properties compared to LDPE films. Thermogravimetric analysis (TGA) revealed that the OPT-F was thermally stable at temperatures below 300 °C, which is relevant to thermal processes in the food industry of packaging. The reduced water solubility (WS) (24.34 ± 2.47%) and the improved biodegradability properties (7.1%) compared with LDPE suggests that the biopolymer-based film obtained has potential applications in the food industry as a novel packaging material and can serve as a basis for the design of bioactive packaging. en
dc.language.iso eng
dc.relation.ispartof vol. 16 Issue: no. 17 Pages: 2471
dc.source Polymers
dc.title Eco-Friendly Design of Chitosan-Based Films with Biodegradable Properties as an Alternative to Low-Density Polyethylene Packaging en
dc.title.alternative Diseño de peliculas de quitosano eco-amigables con propiedades biodegradables como alternativa a los empaques de polietileno de baja densidad es
dc.type Artículo
dc.identifier.doi 10.3390/polym16172471
dc.publisher.department Facultad de Ciencias para el Cuidado de la Salud


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