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Study of the Possible Migration of the Components of Polyethylene Terephthalate and Polyamide Films into Oils at Heat Treatment of Food Products

The FTIR spectroscopy method was used to investigate the changes in palm, sunflower and rapeseed oil at thermal influence up to 195°C, and also in contact with polyethylene terephthalate (PET) and polyamide (PA-6) film for 1 hour 50 minutes. It has been found that heating the oil to 195°C in contact with PET and PA-6 film does not lead to any noticeable changes in the IK oil absorption spectra. Peaks characteristic of polymers (in areas of 1535 and 1634 cm-1), are not observed.