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Use of nanoclay platelets in food packaging materials: technical and cytotoxicity approach
Link to Journal Abstract
Two organo-modified clays for food contact applications were developed to produce hydrophobically modified montmorillonite and hence to obtain better compatibility between the biopolymer and the filler (nanoclay). These nanofillers were characterised by Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction and thermogravimetric analysis (TGA) in order to study their composition, structure and thermal stability. The fillers were used to reinforce polylactic acid (PLA) bottles, which were characterised using different techniques such as mechanical and barrier properties, morphology and thermal stability. The results were compared with conventional PLA bottles. The use of the modified clay in PLA bottles was found to lead to an improvement in mechanical and barrier properties. Finally, cytotoxicity tests were carried out with the organo-modified clays using Caco-2 and HepG2 cell lines, with uptake of neutral red as a basal cytotoxicity biomarker.
For this study, two organo-modified clays for food contact applications were developed to produce hydrophobically modified montmorillonite. Cytotoxicity tests were carried out with the organo-modified clays using Caco-2 and HepG2 cell lines, with uptake of neutral red as a basal cytotoxicity biomarker.
Peer Reviewed Journal Article
Exposure Or Hazard Target
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Food Additives & Contaminants: Part A, 2014, 31(3): 354-363
Food Additives & Contaminants: Part A
Jorda-Beneyto M, Ortuno N, Devis A, Aucejo S, Puerto M, Gutierrez-Praena D, Houtman J, Pichardo S Maisanaba S, Jos A
Last updated on June 30, 2014
This work is supported in part by the Nanoscale Science and Engineering Initiative of the National Science Foundation
under NSF Award Number EEC-0118007.
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