2019
DOI: 10.46357/bcnaturais.v14i3.231
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Produção e caracterização de enzimas proteolíticas de Lentinus crinitus (L.) Fr. 1825 DPUA 1693 do bioma amazônico (Polyporaceae)

Abstract: Proteases são enzimas hidrolíticas capazes de degradar proteínas em pequenos peptídeos e aminoácidos, e podem ser isoladas de plantas, animais e microrganismos. A busca por proteases de origem microbiana vem aumentando no mercado mundial devido à sua estabilidade, à alta taxa de produção e ao menor custo que apresenta. O objetivo deste artigo foi investigar a produção de proteases por Lentinus crinitus (L.) Fr. 1825 DPUA 1693, utilizando-se a fermentação submersa. A cultura matriz foi preparada em meio BDA (ág… Show more

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Cited by 7 publications
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“…It was observed that manganese sulfate exerted a differential stimulation, and increased the enzymatic activity by approximately 55 %. Similar results were reported by MAGALHÃES et al (2019), who reported that the proteolytic activity of Lentinus crinitus increased by 29.43 % with 10mM of MnSO 4 . The stimulating effect of Mn 2+ has also been described for B. subtilis keratinase S14 (MACEDO et al, 2008).…”
Section: Substratesupporting
confidence: 90%
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“…It was observed that manganese sulfate exerted a differential stimulation, and increased the enzymatic activity by approximately 55 %. Similar results were reported by MAGALHÃES et al (2019), who reported that the proteolytic activity of Lentinus crinitus increased by 29.43 % with 10mM of MnSO 4 . The stimulating effect of Mn 2+ has also been described for B. subtilis keratinase S14 (MACEDO et al, 2008).…”
Section: Substratesupporting
confidence: 90%
“…The maximum activity was observed at pH 5.0, with a substantial loss of activity at a higher pH (Figure 4). As in our study, proteolytic enzymes from Lentinus crinitus showed better activity at acidic pHs (pH 5.0 and 6.0) (MAGALHÃES et al, 2019). Enzymes of bacterial source; however, Table 1 -Evaluation of keratinolytic activity in culture supernatants in feather meal and Whole feather at a concentration of 0.5%, after 48 h of incubation in submerged culture, at 27 °C, at 120 rpm.…”
Section: Resultssupporting
confidence: 54%
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“…O alginato de sódio e cloreto de cálcio utilizados para o encapsulamento das enzimas contribuíram para atividade proteolítica, uma vez que, íons metálicos têm sido descritos na literatura aumentando e estabilizando a atividade enzimática, onde os íons podem estar envolvidos nos processos catalíticos, participando das reações de redox ou de transferência de elétrons (MAGALHÃES, et al, 2019). Com a obtenção dos encapsulados enzimático, fez-se testes da atividade de protease e teste de coagulação do leite.…”
Section: Encapsulamento Da Enzimaunclassified