Production of erythritol in fed-batch cultures of Trichosporon sp.

Jinbyung Park , Byungcheol Seo , Jungryul Kim , Yongkun Park
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引用次数: 51

Abstract

Fed-batch cultures were performed to improve the productivity of erythritol. When only glucose was added to the culture broth, the specific erythritol production rate was markedly decreased from 0.042 g/g/h to 0.023 g/g/h. On addition of both glucose and corn steep liquor, the rate was kept almost constant at 0.042 g/g/h throughout the fed-batch fermentation period. The repeated fed-batch culture method showed a maximum erythritol productivity of 1.86 g/l/h and a 45% of total erythritol conversion yield, corresponding to a 23% and 15% increase compared with batch fermentation.

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Trichosporon sp.分批培养中赤藓糖醇的生产。
为了提高赤藓糖醇的产率,进行了补料分批培养。当培养液中只添加葡萄糖时,赤藓糖醇的比产率从0.042 g/g/h显著降低到0.023 g/g/h。在添加葡萄糖和玉米浸泡液的情况下,发酵速率基本保持在0.042 g/g/h。重复补料分批培养法最高赤藓糖醇产量为1.86 g/l/h,赤藓糖醇总转化率为45%,分别比分批发酵提高23%和15%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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