Studies on the polynuclear aromatic hydrocarbon content of carrots (Daucus carota)

Chemosphere
1991.0

Abstract

A method was developed for analysing carrots (Daucus carota) for 15 polynuclear aromatic hydrocarbons (PANs). Recovery of PAHs from carrot samples was high, generally in the range 80 - 100 %. Carrots appear to have highest ~.PAH concentrations in their peel, with a decreasing load moving into the root. Y.PAH concentrations are generally below 200 Bg/kg (dry weight) with the low molecular weight PAHs being the most abundant. PAH content was found to differ with packaging, while boiling reduced the PAN content by -60%. In the UK the average annual consumption of PAHs associated with carrots is estimated to be -110 ~g.

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