C. Droz et K. Grob, DETERMINATION OF FOOD CONTAMINATION BY MINERAL-OIL MATERIAL FROM PRINTED CARDBOARD USING ONLINE COUPLED LC-GC-FID, ZEITSCHRIFT FUR LEBENSMITTEL-UNTERSUCHUNG UND-FORSCHUNG A-FOOD RESEARCH AND TECHNOLOGY, 205(3), 1997, pp. 239-241
Inks used for printing paper and cardboard are dispersions of syntheti
c organic pigments in a bonding agent system built up essentially of r
esins, vegetable oils and high-boiling-point mineral oil products (b.p
. > 250 degrees C). The proportion of mineral oil material in the ink
ranges between 20 and 30%. The more volatile mineral oil components sl
owly 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.