Document Detail


Effect of TiO(2) photocatalytic activity in a HDPE-based food packaging on the structural and microbiological stability of a short-ripened cheese.
MedLine Citation:
PMID:  23411292     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
A high density polyethylene (HDPE)/calcium carbonate (CaCO(3)) film containing TiO(2) was prepared via blown film extrusion process. The photocatalytic properties of this film were evaluated by voltammetric, UV-Vis spectrophotometric and gas chromatographic measurements following the decomposition rate of suitably selected molecular probes, such as 4-hydroxybenzoic acid and methylene blue. The film containing 1% w/w of TiO(2) displayed a profitable and reproducible photoinduced degradation activity towards target organic compounds. The effect of packaging photocatalytic activity on the structural and microbiological stability of a short-ripened cheese was studied. Cheese structure was assessed by dynamic, small deformation rheological tests. A container consisting of a multilayer material, where the layer brought in contact with the food, made from the HDPE+CaCO(3)+TiO(2) composite matrix, was able to provide a greater maintenance of the original cheese structure than a rigid container currently used, mainly due to the inhibition of lactic acid bacteria and coliforms.
Authors:
Matteo Gumiero; Donatella Peressini; Andrea Pizzariello; Alessandro Sensidoni; Lucilla Iacumin; Giuseppe Comi; Rosanna Toniolo
Publication Detail:
Type:  Journal Article     Date:  2012-11-10
Journal Detail:
Title:  Food chemistry     Volume:  138     ISSN:  0308-8146     ISO Abbreviation:  Food Chem     Publication Date:  2013 Jun 
Date Detail:
Created Date:  2013-02-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7702639     Medline TA:  Food Chem     Country:  England    
Other Details:
Languages:  eng     Pagination:  1633-40     Citation Subset:  IM    
Copyright Information:
Copyright © 2012 Elsevier Ltd. All rights reserved.
Affiliation:
Department of Food Science, University of Udine, via Sondrio 2/A, 33100 Udine, Italy.
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