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Artículo

Corn Starch‐Chitosan Proportion Affects Biodegradable Film Performance for Food Packaging Purposes

Bof, Maria JulietaIcon ; Locaso, Delia Elisa; García, María Alejandra
Fecha de publicación: 02/2021
Editorial: Wiley VCH Verlag
Revista: Starch/starke
ISSN: 0038-9056
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Recubrimientos y Películas

Resumen

This work proposes an advance towards the scaling of biodegradable filmsbased on corn starch and chitosan, considering the relevant film propertiesthat condition their use for food packaging and their economic feasibility. Theinfluence of corn starch: chitosan (CS:CH) proportion and chitosan molecularweight used in the formulation is also studied. Chitosan (CH) additionimproves film forming dispersions (FFDs) stability stored under refrigeratedconditions and enhances the film UV barrier properties and elongation atbreak, however material costs are higher. Films with higher starch contentexhibited higher elastic modulus and tensile strength. Water vapor barrier,heat-sealing capacity, and sealing resistance also increase with the corn starch(CS) proportion in film formulation. Taking into consideration the chitosantype used, the polymer-plasticiser and polymer-solvent interactions prevailand led to the development of more flexible materials in film formulationswith low molecular weight chitosan (LMW-CH). Meanwhile, polymer-polymerinteractions also became relevant in those obtained with MMW-CH leading toresistant films. The obtained results indicate that composite films could beused in food packaging design, with those formulated with 75% CS and 25%medium molecular weight chitosan (MMW-CH) being a good optionconsidering both the film?s properties as well as its economical feasibility.
Palabras clave: FOOD PACKAGING PROPERTIES , BLEND FILMS , CHITOSAN PROPORTIONS
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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/157350
URL: https://onlinelibrary.wiley.com/doi/10.1002/star.202000104
DOI: http://dx.doi.org/10.1002/star.202000104
Colecciones
Articulos(CIDCA)
Articulos de CENTRO DE INV EN CRIOTECNOLOGIA DE ALIMENTOS (I)
Articulos(SEDE CENTRAL)
Articulos de SEDE CENTRAL
Citación
Bof, Maria Julieta; Locaso, Delia Elisa; García, María Alejandra; Corn Starch‐Chitosan Proportion Affects Biodegradable Film Performance for Food Packaging Purposes; Wiley VCH Verlag; Starch/starke; 2-2021; 1-12
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