Effects of Fermentation Conditions on Production of Erythritol by Candida magnoliae

Candida magnoliae의 발효 조건이 erythritol의 생산에 미치는 영향

  • Published : 2003.08.01

Abstract

This study was carried out to examine the effects of fermentation conditions on the production of erythritol by osmophilic yeast Candida magnoliae. It was found that sucrose was superior to glucose as carbon source and 109 g/L erythritol was produced from 400 g/L sucrose. When yeast extract was used as nitrogen source, maximum values of yield and productivity for erythritol were obtained at 15 and 20 g/L of yeast extract, respectively. A mixture of 15 g/L yeast extract and 3 g/L ammonium phosphate allowed more efficient utilization of sucrose and hence resulted in 149 g/L of erythritol, 0.37 g erythritol/g sucrose of erythritol yield and $0.78\;g/L{\cdot}hr$ of erythritol productivity. A batch fermentation supplemented with 40 g/L KCl resulted in an erythritol concentration of 167 g/L and an erythritol yield of 0.42 g erythritol/g sucrose.

Keywords

erythritol;Candida magnoliae

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