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Abstract:

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. © 2016 Elsevier Ltd. All rights reserved.

Registro:

Documento: Artículo
Título:Biodegradability and plasticizing effect of yerba mate extract on cassava starch edible films
Autor:Medina Jaramillo, C.; Gutiérrez, T.J.; Goyanes, S.; Bernal, C.; Famá, L.
Filiación:LPMC, Dep. Física, IFIBA-CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria (1428), Pab. 1, Buenos Aires, Argentina
Instituto de Tecnología en Polímeros y Nanotecnología ITPN, Facultad de Ingeniería, Universidad de Buenos Aires Av. Las Heras 2214 (1127), UBA-CONICET, Buenos Aires, Argentina
Departamento Químico Analítico, Facultad de Farmacia, Universidad Central de Venezuela, Caracas, 1040-A, Venezuela
Instituto de Ciencia y Tecnología de Alimentos, Facultad de Ciencias, Universidad Central de Venezuela, Apartado 40109, Caracas, 1040-A, Venezuela
Palabras clave:Biodegradable edible films; Cassava starch; Plasticizing effect; Thermal degradation and biodegradability; yerba mate extract; Biodegradability; Differential scanning calorimetry; Fourier transform infrared spectroscopy; Glycerol; Plants (botany); Starch; Thermogravimetric analysis; X ray diffraction analysis; Attenuated total reflectance Fourier transform infrared spectroscopy; Cassava starch; Degradation time; Edible films; Plasticizing effects; Waste reduction; X-ray diffraction analyses (XRD); yerba mate extract; Biodegradable polymers; antioxidant; plant extract; plasticizer; starch; bioremediation; chemistry; food packaging; Ilex paraguariensis; Manihot; metabolism; soil; vegetable; Antioxidants; Biodegradation, Environmental; Food Packaging; Ilex paraguariensis; Manihot; Plant Extracts; Plasticizers; Soil; Starch; Vegetables
Año:2016
Volumen:151
Página de inicio:150
Página de fin:159
DOI: http://dx.doi.org/10.1016/j.carbpol.2016.05.025
Título revista:Carbohydrate Polymers
Título revista abreviado:Carbohydr Polym
ISSN:01448617
CODEN:CAPOD
CAS:starch, 9005-25-8, 9005-84-9; Antioxidants; Plant Extracts; Plasticizers; Soil; Starch
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01448617_v151_n_p150_MedinaJaramillo

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Citas:

---------- APA ----------
Medina Jaramillo, C., Gutiérrez, T.J., Goyanes, S., Bernal, C. & Famá, L. (2016) . Biodegradability and plasticizing effect of yerba mate extract on cassava starch edible films. Carbohydrate Polymers, 151, 150-159.
http://dx.doi.org/10.1016/j.carbpol.2016.05.025
---------- CHICAGO ----------
Medina Jaramillo, C., Gutiérrez, T.J., Goyanes, S., Bernal, C., Famá, L. "Biodegradability and plasticizing effect of yerba mate extract on cassava starch edible films" . Carbohydrate Polymers 151 (2016) : 150-159.
http://dx.doi.org/10.1016/j.carbpol.2016.05.025
---------- MLA ----------
Medina Jaramillo, C., Gutiérrez, T.J., Goyanes, S., Bernal, C., Famá, L. "Biodegradability and plasticizing effect of yerba mate extract on cassava starch edible films" . Carbohydrate Polymers, vol. 151, 2016, pp. 150-159.
http://dx.doi.org/10.1016/j.carbpol.2016.05.025
---------- VANCOUVER ----------
Medina Jaramillo, C., Gutiérrez, T.J., Goyanes, S., Bernal, C., Famá, L. Biodegradability and plasticizing effect of yerba mate extract on cassava starch edible films. Carbohydr Polym. 2016;151:150-159.
http://dx.doi.org/10.1016/j.carbpol.2016.05.025