| Effect of relative humidity on the migration of benzophenone from paperboard into the food simulant Tenax® and modelling hereof. | |
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MedLine Citation:
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PMID: 23153256 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The aim of this study was to investigate the effect of relative humidity on the migration of benzophenone from paperboard into the food simulant Tenax®. Kinetic migration investigations were carried out with three relative humidities in the interval between 39% and >73%. All investigations were carried out at a constant temperature of 34°C. It was found that the migration of benzophenone after more than 30 days was 4.8 times higher at a relative humidity of 64%-71%, and 7.3 times higher at a relative humidity of >73%, compared with that at a relative humidity of 39%-49%. Diffusion and partition coefficients were derived from the results by using a software for modelling migration in multilayer materials. Both the diffusion coefficient and the partition coefficient, between paperboard and Tenax®, decrease with increasing relative humidity. The experimental results were correctly modelled only when the paperboard was regarded as a one-layer system as compared with a two-layer system: where the main part of the paperboard (B1) has a high diffusion rate and a thin part of the paperboard (B2) in contact with the foodstuff has a lower diffusion rate. |
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Authors:
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L L Barnkob; J H Petersen |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-11-15 |
Journal Detail:
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Title: Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment Volume: - ISSN: 1944-0057 ISO Abbreviation: Food Addit Contam Part A Chem Anal Control Expo Risk Assess Publication Date: 2012 Nov |
Date Detail:
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Created Date: 2012-11-16 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101485040 Medline TA: Food Addit Contam Part A Chem Anal Control Expo Risk Assess Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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a DTU Food, National Food Institute, Danish Technical University , Søborg , Denmark. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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