Production of α-Amylase by lmmobilized Cells of Asperlgillus oryzae in a Bubble Column Bioreactor

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  • Onodera Masayuki
    Department of Applied Chemistry and Biotechnology, Niigata Institute of Technology
  • Takesono Satoshi
    Department of Applied Chemistry and Biotechnology, Niigata Institute of Technology
  • Uno Ryuji
    Biomaterial Co.,Ltd.
  • Toda Kiyoshi
    Department of Applied Chemistry and Biotechnology, Niigata Institute of Technology
  • Kataoka Hiroshi
    Department of Applied Chemistry and Biotechnology, Niigata Institute of Technology

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  • Production of α-Amylase by Immobilized Cells of Aspergillus oryzae in a Bubble Column Bioreactor

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α-Amylase pmduction by Aspergillus oryzae IFO 30113 immobilized on a macropomus cellulose support in a bubble column bioreactor was investigated. The cells were attached to the support and grew well on the support in the bubble column bioreactor. The enzyme productivity of immobilized cells was almost the same as that given by free cells in batch culture. The enzyme was able to be reproduced by the immobilized cells in the bubble column bioreactor in repeated batch culture.

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