DescriptionBenzo(a)pyrene Concentration in Processed Yerba Maté Leaves Sampled in 2006, 2008, and 2010 - Column Chart.svg
English: Column chart displaying Benzo(a)pyrene concentration in processed yerba maté leaves sampled in 2006, 2008, and 2010.
Brand 1–8 corresponds to eight different commercial Brazilian brands purchased in Rio Grande do Sul (RS). Brand A–D are four commercial brands obtained from a single yerba maté manufacturer (one of the major), Brand A leaves were never exposed to smoke, whereas Brands B–D were processed in the traditional way (that includes smoking them).
2006 batches
2008 batches
2010 batches
Light brown indicates 2006 batches, medium brown indicates 2008 batches, and dark brown indicates 2010 batches.
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