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Artículo

Biodegradability and plasticizing effect of yerba mate extract on cassava starch edible films

Medina Jaramillo, CarolinaIcon ; Gutiérrez Carmona, Tomy JoséIcon ; Goyanes, Silvia NairIcon ; Bernal, Celina RaquelIcon ; Fama, Lucia MercedesIcon
Fecha de publicación: 10/2016
Editorial: Elsevier
Revista: Carbohydrate Polymers
ISSN: 0144-8617
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Recubrimientos y Películas

Resumen

Biodegradable and edible cassava starch-glycerol based films with different concentrations of yerba mate extract (0, 5 and 20 wt.%) were prepared by casting. The plasticizing effect of yerba mate extract when it was incorporated into the matrix as an antioxidant was investigated. Thermal degradation and biodegradability of the obtained biofilms were also studied. Thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), attenuated total reflectance Fourier transform infrared spectroscopy (ATR/FTIR), X-ray diffraction analysis (XRD), water absorbance, stability in different solutions and biodegradability studies were performed. The clear correlation among the results obtained from the different analysis confirmed the plasticizing effect of yerba mate extract on the starch-glycerol matrix. Also, the extract led to a decrease in the degradation time of the films in soil ensuring their complete biodegradability before two weeks and to films stability in acidic and alkaline media. The plasticizing effect of yerba mate extract makes it an attractive additive for starch films which will be used as packaging or coating; and its contribution to an earlier biodegradability will contribute to waste reduction.
Palabras clave: Biodegradable Edible Films , Cassava Starch , Plasticizing Effect , Thermal Degradation And Biodegradability , Yerba Mate Extract
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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-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/33461
URL: https://www.sciencedirect.com/science/article/pii/S0144861716305471
Colecciones
Articulos(IFIBA)
Articulos de INST.DE FISICA DE BUENOS AIRES
Articulos(INTEMA)
Articulos de INST.DE INV.EN CIENCIA Y TECNOL.MATERIALES (I)
Articulos(ITPN)
Articulos de INSTITUTO DE TECNOLOGIA EN POLIMEROS Y NANOTECNOLOGIA
Citación
Gutiérrez Carmona, Tomy José; Medina Jaramillo, Carolina; Goyanes, Silvia Nair; Fama, Lucia Mercedes; Bernal, Celina Raquel; Biodegradability and plasticizing effect of yerba mate extract on cassava starch edible films; Elsevier; Carbohydrate Polymers; 151; 10-2016; 150-159
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