Physicochemical and superficial characterization of a bilayer film of zein and pectin obtained by electrospraying

Victor A. Gaona-Sánchez, Georgina Calderón-Domínguez, Eduardo Morales-Sánchez, Luis A. Moreno-Ruiz, Eduardo Terrés-Rojas, Ma de la Paz Salgado-Cruz, Monserrat Escamilla-García, Rigoberto Barrios-Francisco

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11 Citas (Scopus)

Resumen

The preparation by electrospraying of a bilayer film formed by a pectin layer (hydrophilic, polar) and a zein layer (hydrophobic, nonpolar), is a difficult task that has not yet been reported. Herein, the feasibility of producing films by electrostatic atomization was studied, as well as the changes in the superficial and physicochemical characteristics of the bilayer film. Results showed that it is possible to produce a flexible and yellow bilayer film (101.07 ± 8.11 μm) with a continuous surface structure and a well-defined interface, without chemical interactions between both layers nor antimicrobial activity. This study is one of the first to show that the electrospraying technique can be used to generate biodegradable bilayer films using hydrophilic/hydrophobic biopolymer solutions.

Idioma originalInglés
Número de artículo50045
PublicaciónJournal of Applied Polymer Science
Volumen138
N.º12
DOI
EstadoPublicada - 20 mar. 2021

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