Overall migration of constituents of plastic packaging materials into food simulants
1995
Kalacova, J. | Dobias, J. | Voldrich, M. | Curda, D. (Vysoka Skola Chemickotechnologicka, Prague (Czech Republic). Ustav Konzervace Potravin a Technologie Masa)
The results of determination of overall migration from single-component plastic films produced in Czech Republic are described. Tested packaging materials included films of polyamide (PA), polyethylene terephthalate (PET) polyethylene of high and low density (HDPE and/or LDPE), polypropylene (PP), polyvinyl chloride (PVC) and paperboard covered by polypropylene. Distilled water, acetic acid, ethanol and olive oil were used as food simulants, overall migration was determined at temperatures ranging from 40 to 150 degrees C. The total amount of extractable substances was followed using n-heptane. Overall migration into water simulants did not exceed 0.2 mg/dm2 for PET film, 0.5 mg/dm2 for polyolefin films, 0.6 mg/dm2 for PVC, 1.1 mg/dm2 for PA materials and 1.9 mg/dm2 for paperboard. All these migration levels were much lower than limit 10 mg/dm2. The migration into olive oil was also rather low, e.g. in the range from -0.5 to 3.2 mg/dm2 for plastics and 7.6 mg/dm2 for paperboard. The obtained results confirmed the possibility of using the volatile simulants of fatty food for migration testing.
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