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Beverages 2015, 1(3), 159-168; doi:10.3390/beverages1030159

Study of the Migration of Three Model Substances from Low Density Polyethylene into Food Simulant and Fruit Juices

Department of Analytical Chemistry, Nutrition and Food Science, Faculty of Pharmacy, University of Santiago de Compostela, A Coruña E-15782, Spain
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Academic Editor: Frank Welle
Received: 30 June 2015 / Revised: 27 July 2015 / Accepted: 29 July 2015 / Published: 4 August 2015
(This article belongs to the Special Issue Beverage Packaging)
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Abstract

In the present work, the migration of three chemicals, benzophenone, 1,4-diphenylbutadiene and Uvitex® OB from low-density polyethylene samples into the food simulant, 50% ethanol (v/v), was studied. The key parameters of the diffusion process, the partition and diffusion coefficients, were calculated by using a mathematical model based on Fick’s Second Law. As expected, the diffusion coefficients increased with temperature and the values obtained ranged between 3.87 × 10−11 and 1.00 × 10−8 cm2/s. Furthermore, the migration in different fruit juices was also evaluated and the results indicated that benzophenone migrated to a greater extent in comparison with the other two migrants in all beverages analyzed. To quantify the migrants, a high-performance liquid chromatographic method with a diode array detector (HPLC-DAD) was used. The separation was performed on an Ace 3 C18-HL column (30 × 3 mm, 3 μm particle size) and using a gradient elution system consisting of Milli-Q water and acetonitrile. The total analysis time did not exceed 8 min. View Full-Text
Keywords: migration; diffusion coefficients; partition coefficients; food simulant; fruit juices migration; diffusion coefficients; partition coefficients; food simulant; fruit juices
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

de Quirós, A.R.-B.; Varela, N.V.; Sendón, R. Study of the Migration of Three Model Substances from Low Density Polyethylene into Food Simulant and Fruit Juices. Beverages 2015, 1, 159-168.

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