Migration studies of two common components of UV-curing inks into food simulants
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|Title:||Migration studies of two common components of UV-curing inks into food simulants
|Author:||Lago Crespo, Miguel Ángel
Sendón García, Raquel
Nieto, Maria T.
Paseiro Losada, Perfecto Miguel
Rodríguez Bernaldo de Quirós, Ana Isabel
|Affiliation:||Universidade de Santiago de Compostela. Departamento de Química Analítica, Nutrición e Bromatoloxía
|Subject:||Migration | 4-methylbenzophenone | Ethyl-4-(dimethylamino) benzoate | Diffusion coefficient | Partition coefficient ||
|Date of Issue:||2019
|Citation:||Lago, M.A.; Sendón, R.; Bustos, J.; Nieto, M.T.; Paseiro Losada, P.; Rodríguez-Bernaldo de Quirós, A. Migration Studies of Two Common Components of UV-curing Inks into Food Simulants. Molecules 2019, 24, 3607.
|Abstract:||The Rapid Alert System for Food and Feed (RASFF) has reported many cases of different UV curing inks components in foodstuffs during the last few years. These contaminants reach foodstuffs mainly by set-off, their principal migration mechanism from the package. Under this premise, this work has tried to characterize the process of migration of two common UV ink components: a photoinitiator (4-Methylbenzophenone) and a coinitiator (Ethyl-4-(dimethylamino) benzoate), from the most common plastic material used in food packaging low-density polyethylene (LDPE) into six different food simulants. The migration kinetics tests were performed at four different common storage temperatures, obtaining the key migration parameters for both molecules: the coefficients of diffusion and partition. The migration process was highly dependent on the storage conditions, the photoinitiator properties and the pH of the foodstuff.|
|Rights:||© 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/)
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