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首页> 外文期刊>African Journal of Biotechnology >A novel fermentor system optimized for continuous production of pullulan
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A novel fermentor system optimized for continuous production of pullulan

机译：为连续生产支链淀粉而优化的新型发酵罐系统

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A novel fermentor system containing?Aureobasidium pullulans?in polyurethane foam was designed to achieve continuous production of pullulan.?A. pullulans?cells were immobilized in 10 to 20 g polyurethane foam with pore size of 1000 ?. The system has specialized aeration provision with 80 perforations of 4 mm. Pullulan production achieved was approximately 37g/l in 18 cycles at 42°C, pH 5.5 and at aeration rate of 0.5 vvm. The concentration of sucrose and ammonium sulphate was 3 and 0.5%, respectively. This novel design could serve as an excellent fermentor system in industries for large scale continuous production of pullulan.
机译：设计了一种新颖的发酵罐系统，该系统在聚氨酯泡沫中包含“支链淀粉铝芽孢杆菌”，以实现支链淀粉的连续生产。将支链淀粉细胞固定在孔径为1000的10至20 g聚氨酯泡沫中。该系统具有专门的充气装置，带有80个4毫米的孔。在42°C，pH 5.5和充气速率为0.5 vvm的情况下，在18个循环中实现的支链淀粉产量约为37g / l。蔗糖和硫酸铵的浓度分别为3％和0.5％。这种新颖的设计可以用作大规模连续生产支链淀粉的工业中的优良发酵罐系统。

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