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Alimentos e Nutrição
Article . 2010
Data sources: DOAJ
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<b>Imobilização de Aspergillus SP por encapsulação em alginato de cálcio para produção de poligalacturonase<br>Immobilization of Aspergillus sp for production of polygalacturonase </b>

Authors: M. C. BUENO; E. A. L. GATTÃS;

<b>Imobilização de Aspergillus SP por encapsulação em alginato de cálcio para produção de poligalacturonase<br>Immobilization of Aspergillus sp for production of polygalacturonase </b>

Abstract

<p align="justify"> Esporos de três linhagens de Aspergillus sp. isolados do solo foram imobilizados em alginato de cálcio e crescidos em cultura submersa contendo pectina como única fonte de carbono, para a produção de poligalacturonase (PG). O micélio imobilizado foi lavado e reutilizado até seis vezes, em sistema de produção em batelada, sem agitação. Foram estudados, a infl uência da concentração do alginato de sódio e do cloreto de cálcio, a quantidade de esferas e tempo de duração de cada ciclo de fermentação. A melhor condição de produção de PG foi obtida usando a concentração de 3% de alginato, 2% de cloreto de cálcio, 10 unidades de esferas contendo 106 esporos/mL, e tempo de 48 horas para cada ciclo de fermentação. A atividade extracelular de poligalacturonase foi induzida pela pectina e dependente da linhagem do fungo. A máxima atividade da enzima (1,56 U/mL) foi obtida no filtrado do crescimento do Aspergillus sp CFCF-0492, após o 2º ciclo de fermentação. </p>

Keywords

Aspergillus, Nutrition. Foods and food supply, imobilização, TX341-641, poligalacturonase

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold