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  • Title: Indigestible dextrin is an excellent inducer for α-amylase, α-glucosidase and glucoamylase production in a submerged culture of Aspergillus oryzae.
    Author: Sugimoto T, Shoji H.
    Journal: Biotechnol Lett; 2012 Feb; 34(2):347-51. PubMed ID: 22009575.
    Abstract:
    α-Amylase activities of Aspergillus oryzae grown on dextrin or indigestible dextrin were 7·8 and 27·7 U ml(-1), respectively. Glucoamylase activities of the cultures grown on dextrin or indigestible dextrin were 5·4 and 301 mU ml(-1), respectively. The specific glucoamylase production rate in indigestible dextrin batch culture reached 1·35 U g DW(-1) h(-1). In contrast, biomass concentration of A. oryzae in indigestible dextrin culture was 35% of that in dextrin culture. Thus, the culture method using indigestible dextrin has the potential to improve amylolytic enzyme production and fungal fermentation broth rheology.
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