Document Type : Research Paper

Authors

1 student

2 Dept. Food Sci. Tecnol. Univ. Tehran

3 Sharif University of Technology, Tehran – Iran

4 Department of Food Science and Technology, Sari Branch, Islamic Azad University, Sari, Iran

Abstract

Bisphenol A (BPA)-based epoxy resins are widely used in food contact materials such as metal can coatings. The adverse effects of bisphenol A on the consumer have led the food packaging industry to continually improve safety. In this study, epoxy coatings manufactured with nanoparticles are subjected to migration testing in order to identify bisphenol A diglycidyl ether (BADGE) migration from the coatings. Migration of BADGE from epoxy/TiO2/Al2O3 nanocomposite into ethanol 10% (v/v), ethanol 20% (v/v), ethanol 95% (v/v), and acetic acid 3% (w/v) food simulants was studied at conditions of contact filling (60 min at 60 and 121°C) and storage condition (10 days at 40 °C). High-performance liquid chromatography (HPLC) was developed to determine the level of bisphenol A diglycidyl ether (BADGE) that migrated from the nanocomposite to the food simulants. The results indicated the levels of BADGE migrating from epoxy/TiO2/Al2O3 nanocomposite to the food simulants under the conditions of contact filling and storage did not exceed the specific migration limits.

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Main Subjects

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