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Species Determination and Quantitation in Mixtures Using MRM Mass Spectrometry of Peptides Applied to Meat Authentication
Published on: September 20, 2016
Kinetic migration studies from packaging films into meat products.
A Sanches Silva1, J M Cruz, R Sendón Garcı A
1Department of Analytical Chemistry, Nutrition and Bromatology, Faculty of Pharmacy, University of Santiago de Compostela, 15782-Santiago de Compostela, Spain.
Meat Science
|November 9, 2011
Summary
Chemical migration from plastic food packaging into meat increases with fat content and storage temperature. This study quantifies migration kinetics using diphenylbutadiene from low-density polyethylene (LDPE) films.
Area of Science:
- Food Science and Technology
- Polymer Science
- Chemical Engineering
Background:
- Food packaging safety is crucial due to potential chemical migration from food contact materials into food.
- Understanding migration kinetics is essential for assessing the safety of plastic packaging for meat products.
Purpose of the Study:
- To investigate the effect of fat content and storage temperature on chemical migration from low-density polyethylene (LDPE) packaging films into meat products.
- To quantify the kinetic mass transport of a model migrant (diphenylbutadiene).
Main Methods:
- Investigated kinetic mass transport of diphenylbutadiene from LDPE film in contact with various meat products.
- Utilized a mathematical model to calculate diffusion coefficients under different storage conditions (temperature, fat content).
- Analyzed migration data for minced pork, chicken, and pork neck.
Main Results:
- Chemical migration increased significantly with higher fat content in meat products.
- Migration levels were directly correlated with storage temperature.
- Effective diffusion coefficients in LDPE were approximately ten times higher at 25°C compared to 5°C for pork meat.
Conclusions:
- Fat content and storage temperature are key factors influencing chemical migration from LDPE packaging into meat.
- The developed mathematical model accurately describes migration kinetics, incorporating effects within the meat matrix.
- Findings provide critical data for ensuring the safety of plastic food packaging for meat products.
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