Effect of Volume Ratio of Cellulose Carries and Time Interval of Repeated Batch Culture on Citric Acid Productivity by Immobilized Aspergillus niger

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概要

• 論文の詳細を見る

• Citric acid production by Aspergillus niger immobilized in porous cellulose carriers, commercially known as MICROCUBE, was investigated at different volume ratios of carriers. MICROCUBE was prepared using viscose to immobilize A. niger for culture. The result showed that the acid productivity in the immobilized culture was twice that in a conventional suspension cultuer. In addition, it was found that the acid productivity depended on carrier volume ratio, where a miximum productivity of 8.9 g/l・d was obtained at 30E% v/v. At this volume ratio, repeated batch cultures were tested at different time intervals of 5.7 and 9 d. In all cases, the activity of immobilized A.niger was maintained for up to 40 d a maximum amount of acid was obtained at 7-d batch interval

• 社団法人日本生物工学会の論文
• 1994-11-25

著者

• Fujii Naoyuki

  Biomaterial Co. Ltd.

• Yasuda Kimiaki

  Biomaterial Co. Ltd.

• SAKAKIBARA MIKIO

  Department of Applied Chemistry and Biotechnology, Faculty of Engineering, Fukui University

• Sakakibara Mikio

  Department Of Applied Chemistry And Biotechnology Faculty Of Engineering Fukui University

関連論文

• Effect of Volume Ratio of Cellulose Carries and Time Interval of Repeated Batch Culture on Citric Acid Productivity by Immobilized Aspergillus niger
• Site-directed Mutagenesis of Two Zinc-binding Centers of the NADH-dependent Phenylacetaldehyde Reductase from Styrene-assimilating Corynebacterium sp. Strain ST-10
• Ethanol Production by Repeated Batch Culture Using Yeast Cells Immobilized within Porous Cellulose Carriers
• Removal of Bisphenol A by Peroxidase-Catalyzed Reaction Using Culture Broth of Coprinus cinereus
• Effect of Oxygen Tension on Citric Acid Production by Surface Culture
• Development of Bioreactors for Denitrification with Immobilized Cells

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