Fermentation process for preparing erythritol using mutant cells

Details Fermentation process for preparing erythritol using mutant cells Fermentation process for preparing erythritol using mutant cells

1999-08-27

2000-12-19

Lilling, Herbert J.

Chemistry: molecular biology and microbiology

Micro-organism, per se ; compositions thereof; proces of...

Fungi

435158, 43525411, 435911, C12N 114

Patent

active

061626368

ABSTRACT:
The present invention relates to a fermentation process for preparing erythritol with high productivity with novel mutant of Trigonopsis variabilis, more specifically, for preparing erythritol under optimal fermentation conditions for maximum erythritol production by optimizing the environmental conditions of culture such as pH, temperature and controlling osmotic pressure. A two-stage fermentation was performed to control osmotic pressure. Osmotic pressure was adjusted to a low level during growth phase and to a high level during production phase by adding glucose and NaCl. Therefore, erythritol production could be increased due to the increased mutant cells.

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