Data/hora: 11/06/2024 00:53:02

Provedor de dados: | Acta Scientiarum: Biological Sciences
País: | Brazil
Título: | Filamentous fungi producing enzymes under fermentation in cassava liquid waste
Autores: | Gusmão, Robert de Oliveira; Assis, Fábia Giovana do Val de; Cruz, Alisson Rodrigues da; Solidade, Lucas Santos; Ferreira, Lício Fábio Almeida  Andrade; Leal, Patrícia Lopes.
Data: | 2018-11-30
Ano: | 2018
Palavras-chave: | Ciências Agrárias; Microbiologia; Biotecnologia enzymatic activity; Bioprocess; Agroindustrial residues. Ciências Agrárias I.
Resumo: | The conversion of agroindustrial residues by microorganisms has been explored from fermentative processes to obtain several bioactive molecules. The objective of this work was to isolate and select filamentous fungi present in cassava liquid waste for the production of amylase, carboxymethylcellulose (CMCase), pectinase and xylanase using the same residue as induction substrate in fermentative processes. A total of 65 filamentous fungi were isolated and qualitative tests indicated that approximately 86% of these strains were able to produce at least one of the enzymes and 32% capable of producing the four enzymes. Fermentation assays in cassava liquid residue-containing medium showed 6 fungal lines as potential enzyme producers. The maximum activities of pectinase, xylanase, amylase and CMCase were respectively observed at 96 hours of fermentation by the strain by the strain Aspergillus sp. B5C; at 120 hours (163.6 ± 0.13 nKat mL-1), by Aspergillus sp. B4I; at 144 hours (99.8 ± 0.24 nKat mL-1), by Penicillium sp. B3A; and at 48 hours (55.5 ± 0.21 nKat mL-1), by Aspergillus sp. B4O. These results suggest that cassava liquid waste was source of filamentous fungi producing amylase, CMCase, pectinase and xylanase, as well as a promising alternative substrate for bioprocesses aiming the production of enzymes.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês

Identificador:

http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/41512

10.4025/actascibiolsci.v40i1.41512

Editor: | Universidade Estadual De Maringá

Relação:

http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/41512/pdf

http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/downloadSuppFile/41512/17138

http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/downloadSuppFile/41512/17139

Formato: | application/pdf

Fonte:

Acta Scientiarum. Biological Sciences; v. 40 (2018): Publicação Contínua; e41512

Acta Scientiarum. Biological Sciences; v. 40 (2018): Publicação Contínua; e41512

1807-863X

1679-9283

Fonte:

Direitos autorais 2018 Acta Scientiarum. Biological Sciences

http://creativecommons.org/licenses/by/4.0