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Fermentation Characteristics of Salt-Tolerant Mutant, Candida magnoliae M26, for the Production of Erythritol  

이강희 (아주대학교 분자과학기술학과)
서진호 (서울대학교 식품공학과)
유연우 (아주대학교 분자과학기술학과)
Publication Information
KSBB Journal / v.17, no.6, 2002 , pp. 509-514 More about this Journal
Abstract
Experiments were carried out to optimize the fermentation conditions for the production of erythritol by salt-tolerant mutant, Candida magnoliae M26. The optimum conditions of erythritol production showed a 1.0 vvm aeration and 500 rpm agitation at 28$\^{C}$ with an initial medium pH of 7.0. The pH control during the fermentation did not improve the erythritol yield and productivity. The maximum erythritol concentration of 143.3 g/L was obtained with 57% yield and 0.70 g/L-h productivity from 250 g/L of glucose and 5 g/L of yeast extract under an optimum fermentation conditions. The medium containing 0.5 M KCl or 0.5 M NaCl enhanced the production of erythritol and glycerol. However, glycerol production increased and erythrtiol production decreased by increasing the concentration of NaCl or KCl.
Keywords
Erythritol; Candida magnoliae; glycerol; salt-tolerant mutant;
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Times Cited By KSCI : 2  (Citation Analysis)
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