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  • Title: Time- and temperature-dependent migration studies of Irganox 1076 from plastics into foods and food simulants.
    Author: Beldì G, Pastorelli S, Franchini F, Simoneau C.
    Journal: Food Addit Contam Part A Chem Anal Control Expo Risk Assess; 2012; 29(5):836-45. PubMed ID: 22313384.
    Abstract:
    The study provides an exhaustive set of migration data for octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate (Irganox 1076) from low-density polyethylene (LDPE) in several food matrices. Irganox 1076 was used as a model migrant because it represents one of the typical substances used as an antioxidant in food packaging polymers. Kinetic (time-dependent) migration studies of Irganox 1076 were performed for selected foodstuffs chosen with different physical-chemical properties and in relation to the actual European food consumption market. The effect of fat content and of the temperature of storage on the migration from plastic packaging was evaluated. The results show that migration increased with fat content and storage temperature. All data obtained from real foods were also compared with data obtained from simulants tested in the same conditions. In all studied cases, the kinetics in simulants were higher than those in foodstuffs. The work provides data valuable for the extension of the validation of migration model developed on simulants to foodstuffs themselves.
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