Data/hora: 13/06/2024 19:27:06

Provedor de dados: | 52
País: | Brazil
Título: | Antioxidant Activities of Chicken Egg White Hydrolysates Obtained by New Purified Protease of Aspergillus avenaceus URM 6706
Autores: | Silva,Anna Carolina da; Queiroz,Alana Emilia Soares de França; Oliveira,João Tiago Correia; Medeiros,Erika Valente; Souza-Motta,Cristina Maria de; Moreira,Keila Aparecida.
Data: | 2019-01-01
Ano: | 2019
Palavras-chave: | Aspergillus; Purification; ABTS; +; DPPH; Chelators.
Resumo: | Abstract Protein hydrolysates originating from egg white have already been reported to be bioactive and, among their biological activities, possess the antioxidant property that protects the body from early ageing and diseases linked to oxidation. Therefore, the objective of this work was to evaluate the antioxidant activity of hydrolysates obtained by the hydrolysis of egg white from hen poultry. The protease produced by Aspergillus avenaceus URM 6706 was purified and subsequently applied to hydrolysate the egg white, and the degree of hydrolysis was verified during the protease exposure time (4-24 h). The hydrolysis was intensified over time of exposure to the protease. It was possible to detect the antioxidant activities of eliminating the 2,2'-azino-bis (3-ethylbenzothiazoline-6-sulphonic acid) radical (ABTS•+) from 97% to 99% and 2,2-diphenyl-1-picrylhydrazyl (DPPH•) up to 27%, as well as the chelation of Cu2+ metal ions up to 62% and Fe2+ up to 54%. The elimination of ABTS•+ radical had a positive correlation with the degree of hydrolysis; however, all the other activities tested showed a negative correlation with the degree of hydrolysis. The results obtained suggest that the egg white of hen chicken represents a food source of animal origin with potential application in the functional food industry.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132019000100508
Editor: | Instituto de Tecnologia do Paraná - Tecpar
Relação: | 10.1590/1678-4324-2019180062
Formato: | text/html
Fonte: | Brazilian Archives of Biology and Technology  v.62 2019
Fonte: | info:eu-repo/semantics/openAccess