Hellen Kempfer Philippsen

1 Introduction Beer is one of the most widely consumed beverages in the world, with a history spanning over 8000 years (Cela et al. 2020). The proliferation of specialty malts and hops and the development of yeast genetic engineering, combined with growing interest in new beer styles with distinct sensory stimuli and concerns about health promotion, are leading to continued growth in craft beer production in recent years (Habschied et al. 2020; Baiano 2021; Iattici et al. 2020).

Abstract Cassava is widely used and processed for food in several countries. During artisanal processing for flour production, liquid waste containing cyanide may be disposed of inappropriately, contaminating soils, rivers and streams. Various microorganisms must proliferate and carry out fermentation from this waste. The study was carried out on a family farm in the municipality of Bragança, in the state of Pará, Brazil.

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