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Current Topics in Lactic Acid Bacteria and Probiotics 8권 2호.jpg
KCI등재후보 학술저널

Aspergillus niger를 이용한 곡류발효물의 배양특성 및 α-Glucosidase 활성 저해효과

Liquid-state fermentation (LSF) and solid-state fermentation (SSF) were carried out to produce enzymes and β-glucan. The modified synthetic medium composition in liquid-state fermentation (LSF) was determined to be 5% (w/v) whole oat flour, 2% (w/v) tryptone, and 2% (w/v) rice bran. The different humidity conditions of oat by solid-state fermentation were evaluated in terms of maximum production of fungal biomass, amylase, protease, and β-glucan, which were 0.23 mg/g, 7,157.38 U/g, 413.67 U/g, and 8.26% (w/w), respectively, at 60% of humidity condition. Moreover, α-glucosidase inhibition activities of fermented oat with 60% humidity at 48 h were shown to be high 49.08% (w/w). Therefore, liquid- and solid-state fermentation processes were found to enhance the overall fermentation yields of oat to produce enzymes and β-glucan.

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