Document Detail


Contamination of packaged food by substances migrating from a direct-contact plastic layer: Assessment using a generic quantitative household scale methodology.
MedLine Citation:
PMID:  17164219     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The contamination risk in 12 packaged foods by substances released from the plastic contact layer has been evaluated using a novel modeling technique, which predicts the migration that accounts for (i) possible variations in the time of contact between foodstuffs and packaging and (ii) uncertainty in physico-chemical parameters used to predict migration. Contamination data, which are subject to variability and uncertainty, are derived through a stochastic resolution of transport equations, which control the migration into food. Distributions of contact times between packaging materials and foodstuffs were reconstructed from the volumes and frequencies of purchases of a given panel of 6422 households, making assumptions about household storage behaviour. The risk of contamination of the packaged foods was estimated for styrene (a monomer found in polystyrene yogurt pots) and 2,6-di-tert-butyl-4-hydroxytoluene (a representative of the widely used phenolic antioxidants). The results are analysed and discussed regarding sensitivity of the model to the set parameters and chosen assumptions.
Authors:
Olivier Vitrac; Blandine Challe; Jean-Charles Leblanc; Alexandre Feigenbaum
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Food additives and contaminants     Volume:  24     ISSN:  0265-203X     ISO Abbreviation:  Food Addit Contam     Publication Date:  2007 Jan 
Date Detail:
Created Date:  2006-12-13     Completed Date:  2007-07-23     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  8500474     Medline TA:  Food Addit Contam     Country:  England    
Other Details:
Languages:  eng     Pagination:  75-94     Citation Subset:  IM    
Affiliation:
UMR Fractionnement des Agro-Ressources et Emballage, INRA 614, Moulin de la Housse, 51687 Reims Cedex 2, France. olivier.vitrac@reims.inra.fr
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MeSH Terms
Descriptor/Qualifier:
Chemistry, Physical
Diffusion
Food Analysis / methods
Food Contamination / analysis*
Food Packaging*
Humans
Models, Chemical
Physicochemical Phenomena
Plastics / chemistry*
Risk Assessment / methods
Stochastic Processes
Time Factors
Yogurt / analysis
Chemical
Reg. No./Substance:
0/Plastics

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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