Effect of Oxygen Mass Transfer between the Gas and Liquid Phases on the Production of Monascus Red Pigments by Monascus ruber
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概要
- 論文の詳細を見る
This study was designed to evaluate the effect of oxygen transfer from gas phase to liquid phase on pigment production in Monascus ruber NBRC 32318 cultured in a liquid medium composed mainly of rice starch. The cells were cultured in 500-mL baffled Erlenmeyer flasks either by varying the shaking speed from 40 to 200 rpm with a fixed culture volume of 100 mL or by varying the culture volume from 50 to 250 mL with a fixed shaking speed of 120 rpm. Maximum pigment concentration was obtained at a shaking speed of 160 rpm and a culture volume of 100 mL. Cell mass concentration and pigment concentration, evaluated using the volumetric liquid-phase mass transfer coefficient (kLa) of oxygen, confirmed that both parameters increased with increase in kLa, but reached a plateau when kLa was more than 100 h−1.
- The Society of Chemical Engineers, Japanの論文
著者
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Asami Kazuhiro
Department Of Bioengineering Faculty Of Biotechnology Tokyo Institute Of Technology
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Takahashi Reiji
Department Of Agricultural And Biological Chemistry College Of Bioresource Sciences Nihon University
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Ohtaguchi Kazuhisa
Department Fo Chemical Engineering Tokyo Institute Of Technology
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Asami Kazuhiro
Department of Chemical Engineering, Tokyo Institute of Technology
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Chysirichote Teerin
Department of Chemical Engineering, Tokyo Institute of Technology
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