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Determination of food contamination by mineral oil material from printed cardboard using on-line coupled LC-GC-FID

  • C. Droz
  • Konrad Grob
ORIGINAL PAPER

Abstract

 Inks used for printing paper and cardboard are dispersions of synthetic organic pigments in a bonding agent system built up essentially of resins, vegetable oils and high-boiling-point mineral oil products (b.p. >250°C). The proportion of mineral oil material in the ink ranges between 20 and 30%. The more volatile mineral oil components slowly evaporate from the printed cardboard box and may migrate into the food product. They contaminated cereals and dry baby-food products at concentrations between 10 and 150 mg/kg.

Key words Mineral oil material Cardboard box Printing ink Food contamination 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1997

Authors and Affiliations

  • C. Droz
    • 1
  • Konrad Grob
    • 2
  1. 1.Amt für Lebensmittelkontrolle (Official Food Control Authority of the Canton of St. Gallen), Frohbergstrasse 3, CH-9001 St. Gallen, SwitzerlandCH
  2. 2.Kantonales Labor (Official Food Control Authority of the Canton of Zurich), P.O. Box, CH-8030 Zurich, SwitzerlandCH

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