study of the migration of three model substances from low density polyethylene into food simulant and fruit juices

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ID: 218061
2015
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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.
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quirs2015beveragesstudy Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Ana Rodríguez-Bernaldo de Quirós;Noelia Viqueira Varela;Raquel Sendón
Journal journal of the south african veterinary association
Year 2015
DOI
10.3390/beverages1030159
URL
http://www.mdpi.com/2306-5710/1/3/159
Keywords
Migration deficiency diseases foods and food supplynutritional diseases

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