Comparative performance of microbial lipases immobilized on magnetic polysiloxane polyvinyl alcohol particles

Microbial lipase from Mucor miehei and Candida rugosa were immobilized by covalent binding onto magnetized polysiloxane polyvinyl alcohol particles (POS-PVA). The resulting immobilized derivatives were evaluated in aqueous solution (olive oil hydrolysis) and organic solvent (butyl butyrate synthesis...

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Main Authors: Laura Maria Bruno, José Luiz de Lima Filho, Heizir Ferreira de Castro
Format: Article
Language:English
Published: Instituto de Tecnologia do Paraná (Tecpar) 2008-10-01
Series:Brazilian Archives of Biology and Technology
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132008000500003
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spelling doaj-aae98b4591104a8fa3efd411c4b6e5642020-11-24T23:38:58ZengInstituto de Tecnologia do Paraná (Tecpar)Brazilian Archives of Biology and Technology1516-89131678-43242008-10-0151588989610.1590/S1516-89132008000500003Comparative performance of microbial lipases immobilized on magnetic polysiloxane polyvinyl alcohol particlesLaura Maria BrunoJosé Luiz de Lima FilhoHeizir Ferreira de CastroMicrobial lipase from Mucor miehei and Candida rugosa were immobilized by covalent binding onto magnetized polysiloxane polyvinyl alcohol particles (POS-PVA). The resulting immobilized derivatives were evaluated in aqueous solution (olive oil hydrolysis) and organic solvent (butyl butyrate synthesis). Higher catalytic activities were found when the coupling procedure was made with M. miehei lipase. Immobilized M. miehei lipase also showed a better operational stability and a higher half-life than C. rugosa lipase after the successive batches of esterification. The performance of C. rugosa immobilized derivative was constrained by the low lipase loading used in the immobilizing step. Further information regarding the both immobilized derivatives was also obtained through chemical composition (FTIR).<br>Lipases microbianas de Mucor miehei e Candida rugosa foram imobilizadas por ligação covalente em partículas magnetizadas de polisiloxano-álcool polivinílico (POS-PVA). Os derivados imobilizados resultantes foram avaliados em solução aquosa (hidrólise de azeite de oliva) e em solvente orgânico (síntese de butirato de butila). As maiores atividades catalíticas foram encontradas quando o procedimento de ligação foi realizado com lipase de M. miehei. O derivado imobilizado de lipase de M. miehei também apresentou melhores resultados de estabilidade operacional e tempo de meia-vida do que o de lipase de C. rugosa, após sucessivas bateladas de esterificação. O desempenho do derivado imobilizado de C. rugosa foi restringido pelo baixo carregamento de lipase usado na etapa de imobilização. Informações adicionais a respeito de ambos derivados imobilizados também foram obtidas através da composição química (FTIR).http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132008000500003Candida lipaseMucor lipasehybrid matriximmobilization
collection DOAJ
language English
format Article
sources DOAJ
author Laura Maria Bruno
José Luiz de Lima Filho
Heizir Ferreira de Castro
spellingShingle Laura Maria Bruno
José Luiz de Lima Filho
Heizir Ferreira de Castro
Comparative performance of microbial lipases immobilized on magnetic polysiloxane polyvinyl alcohol particles
Brazilian Archives of Biology and Technology
Candida lipase
Mucor lipase
hybrid matrix
immobilization
author_facet Laura Maria Bruno
José Luiz de Lima Filho
Heizir Ferreira de Castro
author_sort Laura Maria Bruno
title Comparative performance of microbial lipases immobilized on magnetic polysiloxane polyvinyl alcohol particles
title_short Comparative performance of microbial lipases immobilized on magnetic polysiloxane polyvinyl alcohol particles
title_full Comparative performance of microbial lipases immobilized on magnetic polysiloxane polyvinyl alcohol particles
title_fullStr Comparative performance of microbial lipases immobilized on magnetic polysiloxane polyvinyl alcohol particles
title_full_unstemmed Comparative performance of microbial lipases immobilized on magnetic polysiloxane polyvinyl alcohol particles
title_sort comparative performance of microbial lipases immobilized on magnetic polysiloxane polyvinyl alcohol particles
publisher Instituto de Tecnologia do Paraná (Tecpar)
series Brazilian Archives of Biology and Technology
issn 1516-8913
1678-4324
publishDate 2008-10-01
description Microbial lipase from Mucor miehei and Candida rugosa were immobilized by covalent binding onto magnetized polysiloxane polyvinyl alcohol particles (POS-PVA). The resulting immobilized derivatives were evaluated in aqueous solution (olive oil hydrolysis) and organic solvent (butyl butyrate synthesis). Higher catalytic activities were found when the coupling procedure was made with M. miehei lipase. Immobilized M. miehei lipase also showed a better operational stability and a higher half-life than C. rugosa lipase after the successive batches of esterification. The performance of C. rugosa immobilized derivative was constrained by the low lipase loading used in the immobilizing step. Further information regarding the both immobilized derivatives was also obtained through chemical composition (FTIR).<br>Lipases microbianas de Mucor miehei e Candida rugosa foram imobilizadas por ligação covalente em partículas magnetizadas de polisiloxano-álcool polivinílico (POS-PVA). Os derivados imobilizados resultantes foram avaliados em solução aquosa (hidrólise de azeite de oliva) e em solvente orgânico (síntese de butirato de butila). As maiores atividades catalíticas foram encontradas quando o procedimento de ligação foi realizado com lipase de M. miehei. O derivado imobilizado de lipase de M. miehei também apresentou melhores resultados de estabilidade operacional e tempo de meia-vida do que o de lipase de C. rugosa, após sucessivas bateladas de esterificação. O desempenho do derivado imobilizado de C. rugosa foi restringido pelo baixo carregamento de lipase usado na etapa de imobilização. Informações adicionais a respeito de ambos derivados imobilizados também foram obtidas através da composição química (FTIR).
topic Candida lipase
Mucor lipase
hybrid matrix
immobilization
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132008000500003
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