Chem. J. Chinese Universities

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Analysis of Alkyl Benzenes in Printing Ink on Food Packaging Materials and Its Migration by Gas Chromatography-Mass Spectrometry

MENG Zhe1,2, LIAO Xun2, SUN Dan-Dan3, LIAO Yi-Ping2, LIU Hu-Wei2*   

    1. Department of Biochemistry, Xingtai College, Xingtai 054001, China;
    2. College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China;
    3. Department of Chemistry, Renmin University of China, Beijing 100872, China
  • Received:2006-07-05 Revised:1900-01-01 Online:2007-06-10 Published:2007-06-10
  • Contact: LIU Hu-Wei

Abstract: Gas chromatography-mass spectrometry was used to analyze alkyl benzenes in the printing ink on the food packing materials. Quantification was carried out via a selected ion monitoring(SIM) mode, and naphthalene was used as an internal standard. The migration of alkyl benzenes from paper and plastic packaging materials into food was also tentatively studied. The results indicate that the risks of food contamination are associated with the migration of harmful components from printing ink on packaging materials into the food.

Key words: Food packaging materials, Printing ink, Toluene, Alkyl benzenes, Migration

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