Optimization of the conditions for obtaining fermentable sugars from corn residues produced in the far north of the Amazon

Faced with the increase in the demand for energy and the scarcity of certain natural resources, finding ways to avoid environmental imbalances has become an important focus in research. In Roraima, corn production is increasing and its processing generates tons of husks and cobs, and these residues are rich in xylose and glucose. In this context, lignocellulosic biomass is presented as a sustainable proposal for producing fermentable sugars. This residues and analyze the conditions used in the acid and enzymatic hydrolysis process. The residues were pretreated, and the fermentable sugars were quantified using dinitrosalicylic acid, and then identified with near-infrared spectroscopy. In the enzymatic process, the sugar concentration obtained was 72.08 g L-1 for the husks and 69.94 g L-1 for the cobs. In the acid hydrolysis, 18.18 g L-1 was obtained for the husks and 19.20 g L-1 for the cobs, with xylose and glucose identified as the main sugars. These results suggest that these residues can serve as sustainable alternatives for producing fermentable sugars in the northern region of Brazil, given the growth in corn plantations. This sustainable approach aligns with efforts to address energy demands while mitigating environmental impacts.