Effect of cultivating conditions on alpha-galactosidase production by a novel Aspergillus foetidus ZU-G1 strain in solid-state fermentation / 浙江大学学报(英文版)(B辑:生物医学和生物技术)
Journal of Zhejiang University. Science. B
;
(12): 371-376, 2007.
Artigo
em Inglês
| WPRIM
| ID: wpr-308991
ABSTRACT
The work is intended to achieve optimum culture conditions of alpha-galactosidase production by a mutant strain Aspergillus foetidus ZU-G1 in solid-state fermentation (SSF). Certain fermentation parameters involving moisture content, incubation temperature, cultivation period of seed, inoculum volume, initial pH value, layers of pledget, load size of medium and period of cultivation were investigated separately. The optimal cultivating conditions of alpha-galactosidase production in SSF were 60% initial moisture of medium, 28 degrees C incubation temperature, 18 h cultivation period of seed, 10% inoculum volume, 5.0 approximately 6.0 initial pH of medium, 6 layers of pledget and 10 g dry matter loadage. Under the optimized cultivation conditions, the maximum alpha-galactosidase production was 2 037.51 U/g dry matter near the 144th hour of fermentation.
Texto completo:
DisponíveL
Índice:
WPRIM (Pacífico Ocidental)
Assunto principal:
Aspergillus
/
Especificidade da Espécie
/
Temperatura
/
Estabilidade Enzimática
/
Química
/
Classificação
/
Alfa-Galactosidase
/
Técnicas de Cultura de Células
/
Ativação Enzimática
/
Fermentação
Idioma:
Inglês
Revista:
Journal of Zhejiang University. Science. B
Ano de publicação:
2007
Tipo de documento:
Artigo
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