Water, Air, & Soil Pollution,

Analysis of the Presence of Toxic Metals in Yerba Mate Samples: a Case Study from South Brazil

Abstract The presence of toxic metals in soil enables them to be absorbed by plants. The RDC 42/2013 published by Brazilian Health Regulatory Agency (ANVISA) defines the maximum values of cadmium (0.4 mg kg−1) and lead (0.6 mg kg−1) in yerba mate commercialized in Common Market of the South (Mercosul). This work is a retrospective study that aimed to evaluate cadmium and lead levels in processed yerba mate and in natura leaves in Southern Brazil. The cadmium and lead concentrations...

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