Determination of food contamination by mineral oil material from printed cardboard using on-line coupled LC-GC-FID |
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| Authors: | C. Droz and Konrad Grob |
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| Affiliation: | (1) Amt für Lebensmittelkontrolle (Official Food Control Authority of the Canton of St. Gallen), Frohbergstrasse 3, CH-9001 St. Gallen, Switzerland, CH;(2) Kantonales Labor (Official Food Control Authority of the Canton of Zurich), P.O. Box, CH-8030 Zurich, Switzerland, CH |
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| 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.
Received: 27 January 1997 |
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| Keywords: | Mineral oil material Cardboard box Printing ink Food contamination |
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