Effect of High Oxygen Partial Pressure on the Conversion of Sorbitol to Sorbose by Acetobacter suboxydans : Studies on Aerobic Fermentation(II)
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概要
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The convension of sorbitol to sorbose by Acetobacter suboxydans was performed under oxygen-enriched atmosphere in shaken flasks and the effect of oxygen partial pressure upon the cell growth and the oxidizing activity was investigated. By use of oxygen-enriched air the conversion was greatly accelerated, mainly because of extension of the oxygen transfer capability up to an atmospheric concentration of oxygen of 40%. At higher concentrations of oxygen, growth inhibition due to oxygen was observed and the fermentation was reduced. However, when cultures grown in 40% oxygen-enriched atmosphere were used as inoculum, growth inhibition was not observed even in 80% oxygen-enriched atmosphere and the fermentation was markedly accelerated. This is because the cells grown in the enriched atmosphere adapted to the conditions, acquiring higher resistance to oxygen damage and enhanced oxidizing activity. Thus, the advantages of enriching the gas phase of shaken flasks with oxygen was demonstrated in the oxidation of sorbitol to sorbose by Acetobacter suboxydans.
- 社団法人日本生物工学会の論文
- 1978-04-25
著者
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Wada Mitsuru
Research Laboratories Tanabe Seiyaku Co. Ltd.
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CHIBATA ICHIRO
Research Laboratory of Applied Biochemistry, Tanabe Seiyaku Co.Ltd.
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YAMADA SHIGEKI
Research Laboratory of Applied Biochemistry, Tanabe Seiyaku Co., Ltd.,
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Chibata Ichiro
Research Laboratories Tanabe Seiyaku Co. Ltd.
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Yamada Shigeki
Research Laboratories Tanabe Seiyaku Co. Ltd.
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- Effect of High Oxygen Partial Pressure on the Conversion of Sorbitol to Sorbose by Acetobacter suboxydans : Studies on Aerobic Fermentation(II)
- Oxygen Transfer in Shaken Flask Cultures and the Conversion of Sorbitol to Sorbose by Acetobacter suboxydans : Studies on Aerobic Fermentation(I)
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