Determination of trace metals in fruit juices in the Portuguese market

•Validation process for the analysis of metals in fruit juices was implemented.•Cd, Cr, Pb, As, Ni and Mn were determined in fruit juices.•62% of the samples had Ni above the maximum permissible values according with the Portuguese legislation.•All the samples had Mn above the Portuguese legislation limits.•A reduction of metal concentration in Portuguese juices is recommended.