Effect of montmorillonite clay addition on the morphological and physical properties of Jatropha curcas L. and Glycine max L. protein concentrate films

Alex Osorio-Ruiz, Javier Solorza-Feria, Bor Sen Chiou, Delilah F. Wood, Tina G. Williams, Roberto J. Avena-Bustillos, Alma Leticia Martínez-Ayala

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

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Resumen

Protein concentrates from jatropha (JPC) and soy seeds (SPC) were obtained by solubilization and acid precipitation of proteins. JPC and SPC films were prepared by the casting method, using two different montmorillonite (MMT) clay concentrations and plasticized with glycerol. Film properties were evaluated by scanning electron microscopy, transmission electron microscopy, X-ray diffraction (XRD), Fourier transform infrared spectroscopy, thermogravimetric analysis, tensile properties, water retention, and water vapor transmission rate (WVRT). Typical tactoid microcomposite structures were found to be heterogeneously dispersed in the films containing MMT. A small XRD peak was found in films with MMT. Slight improvements in thermal stability and tensile strength were observed in the films with MMT. Reductions in water retention and WVRT were obtained when MMT was added into the films.

Idioma originalInglés
Número de artículo44459
PublicaciónJournal of Applied Polymer Science
Volumen134
N.º7
DOI
EstadoPublicada - 15 feb. 2017

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