Fungal amylases applied to the sweet potato starch for bioethanol production

Authors

DOI:

https://doi.org/10.33448/rsd-v11i10.32583

Keywords:

Amylases; Sweet potato; Bioethanol production; E. endophytica; N. cubana; F. pseudocircinatum.

Abstract

Bioethanol is a sustainable energy source to help reducing the emission of pollutants into the global environment. In order to cope with that, the ethanol production technologies and use of efficient and low-cost substrates are developed. The objective of this research was to evaluate fungal amylases in sweet potato starch for bioethanol production by Saccharomyces cerevisiae in the laboratory. Endomelanconiopsis endophytica (1.40 U/mL), Neopestalotiopsis cubana (1.67 U/mL) and Fusarium pseudocircinatum (1.11 U/mL) with high enzymatic activities were selected and their amylases were tested for activity on sweet potato starch for bioethanol production. Simultaneous saccharification and fermentation was performed at 30° C and pH = 5.0. 17.3 - 88.1 (%) of bioethanol that was produced and compared to the expected theoretical yield. Therefore, amylases from these fungi simultaneously inserted on sweet potato starch and S. cerevisiae are potentially useful for bioethanol production.

Author Biographies

Tiago Carnevalle Romão, Instituto Federal Goiano

Professor. Department of Biological Sciences

Antonio Carlos Pereira de Menezes Filho, Instituto Federal Goiano

Doctoral student, Agricultural Sciences

Aristeu Gomes Tininis, Instituto Federal de São Paulo

Professor, Department of Chemistry

Marilene Silva Oliveira, Instituto Federal Goiano

Professor, Multi-User Analysis Center 

Lidiane Gaspareto Felippe, Universidade Estadual Paulista

Professor. Chemistry Institute.

Carlos Frederico de Souza Castro, Instituto Federal Goiano

Professor, Department of Agrochemistry

Paula Benevides de Morais, Universidade Federal do Tocantins

Professor, Environmental Microbiology and Biotechnology Laboratory

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Published

25/07/2022

How to Cite

ROMÃO, T. C.; MENEZES FILHO, A. C. P. de .; TININIS, A. G.; OLIVEIRA, M. S.; FELIPPE, L. G.; CASTRO, C. F. de S. .; MORAIS, P. B. de. Fungal amylases applied to the sweet potato starch for bioethanol production. Research, Society and Development, [S. l.], v. 11, n. 10, p. e136111032583, 2022. DOI: 10.33448/rsd-v11i10.32583. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/32583. Acesso em: 19 apr. 2024.

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Section

Agrarian and Biological Sciences