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Provedor de dados:  Anais da ABC (AABC)
País:  Brazil
Título:  Production, characterization and application of inulinase from fungal endophyte CCMB 328
Autores:  Nascimento,Diego S.
Valasques Junior,Gildomar
Fernandes,Pedro
Ribeiro,Geise C.A.
Lima,Danyo M.
Góes-Neto,Aristóteles
Oliveira,Rodrigo Q.
Figueiredo-Ribeiro,Rita de Cassia L.
Assis,Sandra A. de
Data:  2012-06-01
Ano:  2012
Palavras-chave:  Inulin
Inulinase
Yeasts
Semi-arid
Fungal endophyte
Resumo:  Inulinase (β-2,1-D- fructan fructanohydrolase), EC 3.2.1.7, targets the β-2,1 linkage of inulin, a polyfructan consisting of linear β-2,1 linked fructose, and hydrolyzes it into fructose. This use provides an alternative to produce fructose syrup through the hydrolysis of inulin. The objective of this work was to study the production, characterization and applications of inulinases from the fungal endophyte CCMB 328 isolated from the Brazilian semi-arid region. Response Surface Methodology (RSM) was employed to evaluate the effect of variables (concentration of glucose and yeast extract), on secreted inulinase activities detected in the culture medium and also in the inulin hydrolysis. The results showed that the best conditions for inulinase production by CCMB 328 are 9.89 g / L for glucose and 1.09 g / L for yeast extract. The concentration of 0.20 mol/L of NaCl and KCl increased the activity of inulinase from CCMB 328 by approximately 63% and 37%, respectively. The results also showed that the inulinase has potential for inulin hydrolysis, whose conversion yields roughly 72.48 % for an initial concentration of inulin at 1% (w/v).
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652012000200014
Editor:  Academia Brasileira de Ciências
Relação:  10.1590/S0001-37652012005000035
Formato:  text/html
Fonte:  Anais da Academia Brasileira de Ciências v.84 n.2 2012
Direitos:  info:eu-repo/semantics/openAccess
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