K. Grob et al., CONTAMINATION OF HAZELNUTS AND CHOCOLATE BY MINERAL-OIL FROM JUTE ANDSISAL BAGS, Zeitschrift fur Lebensmittel-Untersuchung und -Forschung, 197(4), 1993, pp. 370-374
Before spinning, jute and sisal fibres are treated with a batching oil
commonly consisting of a raw mineral oil fraction. Such oil is transf
erred to foods packed into jute or sisal bags, i.e. primarily cocoa be
ans, hazelnuts, coffee, almonds, oil seeds, and rice. Concentrations i
n the foods easily exceed 100 mg/kg. Chocolate may be affected several
-fold: cocoa beans as well as hazelnuts and almonds may be contaminate
d.