Preparation of Aspergillus niger 426 naringinases for debittering citrus juice utilization of agro-industrial residues

Autor: Tereza Cristina Luque Castellane, Fernanda Freitas de Oliveira, João Batista Buzato, Marcelo Rodrigues de Melo
Přispěvatelé: Universidade Estadual de Londrina (UEL), Universidade Estadual Paulista (UNESP)
Rok vydání: 2021
Předmět:
Zdroj: Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
ISSN: 1618-1905
Popis: Made available in DSpace on 2022-04-29T08:32:03Z (GMT). No. of bitstreams: 0 Previous issue date: 2022-01-01 Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) Naringin, considered as the main bitter component of grapefruit, requires the use of enzymes to reduce the level of this substance during juice processing. For this reason, it has been the focus of many studies. In this study, to increase the production of naringinase by Aspergillus niger cultivated in solid-state fermentation (SSF), a three-component simplex-centric mixing design along with a response surface methodology (RSM) was applied to generate statistical models and analyze the dataset. First, grapefruit peel, rice bran, and wheat bran were used for substrate selection for naringinase production and, finally, selected the best of the three inducers or their mixtures to remove the bitterness of grapefruit juice. Cultivation with 2.3 g of grapefruit peel, 2.5 g of rice bran, and 5.2 g of wheat bran and medium supplementation with a mixture of naringin, rutin, and hesperidin in the concentration of 2, 5, 4.5, and 3.0 g/L, respectively, resulted in a maximum activity of 28 U/mL. The results indicate that the sequencing procedure, which allowed the definition of an optimal mixture of components, is a new way for microorganisms to have a high naringinase yield, in particular by SSF, since our data showed a 96% increase in the production of naringinase. This dataset can help other researchers apply a mixing design to increase enzyme production. Department of Biochemistry and Biotechnology State University of Londrina Departamento de Tecnologia Faculdade de Ciências Agrárias E Veterinárias UNESP - Univ Estadual Paulista, Rod. Prof. Paulo Donato Castellane km 5,SP Departamento de Tecnologia Faculdade de Ciências Agrárias E Veterinárias UNESP - Univ Estadual Paulista, Rod. Prof. Paulo Donato Castellane km 5,SP CAPES: #2015
Databáze: OpenAIRE