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The aim of this study was to evaluate heavy metal content in carrots (Daucus   carota) from the different localities in Serbia and assess by the cluster   analysis (CA) and principal components analysis (PCA) the heavy metal   contamination of carrots from these areas. Carrot was collected at 13   locations in five districts. Chemometric methods (CA and PCA) were applied to   classify localities according to heavy metal content in carrots. CA separated   localities into two statistical significant clusters. PCA permitted the   reduction of 12 variables to four principal components explaining 79.94% of the total variance. The first most important principal component was strongly associated with the value of Cu, Sb, Pb and Tl. This study revealed that CA and PCA appear useful tools for differentiation of localities in different  districts using the profile of heavy metal in carrot samples. [Projekat Ministarstva nauke Republike Srbije, br. 172051

Chemometric approach to evaluate heavy metals’ content in Daucus Carota from different localities in Serbia