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| Lenguaje: | en |
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Sociedade Brasileira de Ciência e Tecnologia de Alimentos
2012
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| Acceso en línea: | https://www.redalyc.org/articulo.oa?id=395940335016 |
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- Effect of modified clays on the structure and functional properties of biofilms produced with zein Luciana Lopes TAVARES Crislene Barbosa DE ALMEIDA Ícaro Putinhon CARUSO Marinônio Lopes CORNÉLIO José Francisco LOPES FILHO Agrociencias zein clays Biofilms tactoids microcomposite The purpose of this study was to evaluate changes in the structure and some functional properties of biofilms added with modified clays (Cloisite® 15A and Cloisite® 30B) prepared by the casting method. The analysis of the microstructure of the films, scanning electron microscopy (SEM), Optical microscopy (MO), and Infrared Spectroscopy (FTIR) indicated that the addition of clay in the films resulted in the formation of a heterogeneous microstructure, microcomposite or tactoid. Due to the formation of a microcomposite structure, functional properties of the films added with both clays such as opacity, solubility, and permeability to water vapor (PVA), were not better than those of the control film. Thus, it was concluded that although it is possible to produce a film added with modified clays using the casting method, it was not possible to obtain intercalation or exfoliation in a nanocomposite, which would result in improved functional properties. 2012 artículo científico 0101-2061 https://www.redalyc.org/articulo.oa?id=395940335016 en http://www.redalyc.org/revista.oa?id=3959 Ciência e Tecnologia de Alimentos application/pdf Sociedade Brasileira de Ciência e Tecnologia de Alimentos Ciência e Tecnologia de Alimentos (Brasil) Num.2 Vol.32