The concentration of heavy metals in cocoa crops is currently a serious problem for farmers and producers in various regions of Peru. Exports of cocoa and its derivatives to European markets are threatened by possible evidence of heavy metal contamination in exportable cocoa beans, some at levels higher than those permitted by food regulations established by the European Community, which are aimed at protecting consumers. It is considered that the possible reasons for the contamination of the Cd in cocoa crops may come from natural activities such as volcanic activities, erosion processes and sedimentation in rocks that contain minerals with a high content of these heavy metals. This contamination is also produced by anthropogenic activities such as mining of associated deposits, agriculture (use of fertilizers), smelting of minerals and burning of fossil fuels. Currently, there is no in...