Migration studies of butylated hydroxytoluene, tributyl acetylcitrate and dibutyl phthalate into food simulants

Journal of the Science of Food and Agriculture
Verónica García IbarraAna Rodríguez Bernaldo de Quirós

Abstract

Migration is a mass transfer process in which chemical substances with a low molecular weight are transferred from packaging into food. This phenomenon has received great attention from a food safety point of view because these chemicals could potentially represent a risk for consumers' health. The present study investigated the process of migration of two common plasticizers [tributyl acetylcitrate (ATBC) and dibutyl phthalate (DBP)] and one antioxidant [butylated hydroxytoluene (BHT)] from a common plastic material used in food packaging (low density polyethylene) into 50% ethanol (v/v), 95% ethanol (v/v) and isooctane. A mathematical model based on Fick's second law was used to determine the partition and diffusion coefficients. In addition, the effect of temperature on the diffusion was studied by applying the Arrhenius equation. High-performance liquid chromatography with diode-array detection and gas chromatography-mass spectrometry methods were applied to measure the amount of ATBC, DBP and BHT that migrated into the food simulants. A mathematical model based on Fick's second law of diffusion was used to estimate key migration parameters: diffusion and partition coefficients (DP and KP/F ), which were determined for each...Continue Reading

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Citations

Aug 31, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Rafael Paseiro-CerratoTimothy H Begley

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