Open AccessProduction of xylanase by Aspergillus sp. ART500.1 on agroindustrial residues and its biochemical properties
Author(s) -
Ana Karoliny Ribeiro Lima,
Ryhára Dias Batista,
Luciana Pereira de Araújo,
Sabrina Ribeiro da Silva,
Erika Carolina Vieira-Almeida,
Alex Fernando de Almeida
Publication year - 2021
Publication title -
scientia plena
Language(s) - English
Resource type - Journals
ISSN - 1808-2793
DOI - 10.14808/sci.plena.2021.081510
Subject(s) - bagasse , xylanase , husk , solid state fermentation , chemistry , food science , cane , residue (chemistry) , fermentation , pulp and paper industry , microbiology and biotechnology , agronomy , enzyme , botany , biology , biochemistry , sugar , engineering
The aim of this work was to evaluate the use of different agro-industrial residues for the production of xylanase by Aspergillus sp. ART 100.1, as well as analyzing the biochemical properties of the enzyme. Agroindustrial residues malt bagasse, pineapple crown, açaí bagasse and soybean husk present in large quantities in the Tocantins region were used to evaluate the production of xylanase. Cultivation conditions for xylanase production were evaluated in submerged and solid-state cultivation. The highest production of xylanase in submerged cultivation was obtained using soybean husk residue (23.60 U/mL), while, for solid-state cultivation conditions, the highest production of xylanase was obtained with malt bagasse (110.00 U/g). The effect of additives to the culture medium was also evaluated, with the best result for the use of the xylose additive in the pineapple crown in solid-state cultivation. The enzyme produced in solid-state cultivation was characterized in terms of pH and temperature. The optimum activity pH was observed at 5.0 and for temperature at 55 °C. The xylanase was stable in a pH range between 4 and 5 and retained 50% of its activity at 45 °C after 110 minutes. The Aspergillus sp. ART 500.1 presents potential for the production of xylanase using agro-industrial residues, enabling the development of bioprocesses for the scaling of production.