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Yerba mate produced in forested areas is influenced by shading, altitude and soil moisture factors, which favor the quality and flavor differential of this product. The northern Santa Catarina plateau is characterized as one of the main producing regions of yerba mate in forest areas in Brazil. Thus, the objective of this study was to quantify forest areas using images from the C-bers 4 satellite and to analyze evidence of contamination by phytosanitary products in yerba mate samples in order to support the geographical indication (GI) of the crop. Phytosanitary multiresiduals assays were performed by liquid chromatography / sequential mass spectrometry (LS/MS/MS) according to AOAC (2012) methods, and no contamination was found for any of the 151 substances evaluated in the analysis. Of all land uses assessed, 44% are from native forest areas. The expressive presence of forest areas and lack of contamination by phytosanitary products in the yerba mate grown in this region favors even more GI of the crop.

revista de la facultad de agronomía

Análise de resíduos de produtos fitossanitários em erva-mate (Ilex paraguariensis) proveniente de áreas de sistema agroflorestal do Planalto Norte Catarinense