期刊
PACKAGING TECHNOLOGY AND SCIENCE
卷 26, 期 5, 页码 249-265出版社
WILEY-BLACKWELL
DOI: 10.1002/pts.1981
关键词
food packaging antimicrobial; cellulose
资金
- Comision Nacional de Investigacion Cientifica y Tecnologica, CONICYT from the Programa Apoyo a tesis Doctoral
- Financiamiento Basal para Centros Cientificos y Tecnologicos de Excelencia [CEDENNA FB0807]
The cellulose acetate butyrate/modified motmorillonite (Cloisite20A and Cloisite30B) nanocomposites were prepared by two different solvent casting methods. All antimicrobial nanofillers were characterized using X-Ray Diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR) and antimicrobial components (carvacrol and cinnamaldehyde) included in the nanofillers were determined by gas and HPLC chromatography. These analyses confirmed the inclusion of antimicrobial agents in organoclay. The nanocomposite films were characterized by XRD, TGA, Differential Scanning Calorimetry (DSC), Oxygen and Water Vapor Permeability, mechanical properties and antimicrobial behavior against E coli, L.innocua, S. cerevisiae. All films presented a reduction of at least 2.0 log cfu/mL when applied film nanocomposites procedure in which antimicrobial components are included in the last stage of the process and they are not previously included in the organoclay. Copyright (c) 2012 John Wiley & Sons, Ltd.
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