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National Agricultural Library
U.S. Department of Agriculture
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Effects of Radiation on Packaging Materials Used for Pre-packaged Foods

Objective

In this study, FTIR, HPLC, GC/FID and GC/MS were evaluated as analytical methods for identifying and quantifying any radiolytic products which are formed in the soaker pad, PETE and PETG.

More information

<p>
An HPLC method was developed and used to quantify mono- and disaccharides which may be cleaved from the cellulose in the soaker pad after irradiation with 2.4 kGy dose of ?-irradiation at 10 C. The analytical results indicate that mono- and disaccharides migrate into a 10% aqueous ethanol food simulant at concentrations of 16-40 ppb and 63-143 ppb, respectively. Other polysaccharides were not detected (<10 ppb). There were no radiolytic products detected that migrated into the n-heptane solvent. The results from the headspace gas analysis indicated that there was no apparent effect of gamma irradiation at 2.4 and 10 kGy evolution of volatile hydrocarbons from PETE, PETG and the soaker pad.</p>

Investigators
Komolprasert, Vanee
Institution
National Center for Food Safety & Technology
Start date
1995
End date
2000
Project number
PA-0008-10/95