Batch fermentation of xylose for xylitol production in stirred tank bioreactor

被引：33

作者：

Silva, SS ^{[1
]}

Roberto, IC ^{[1
]}

Felipe, MGA ^{[1
]}

Mancilha, IM ^{[1
]}

机构：

[1] UNIV FED VICOSA, DEPT FOOD TECHNOL, VICOSA, MG, BRAZIL

来源：

PROCESS BIOCHEMISTRY | 1996年 / 31卷 / 06期

关键词：

D O I：

10.1016/S0032-9592(96)00002-7

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Xylose conversion into xylitol by Candida guilliermondi FTI 20037 was investigated in a stirred tank bioreactor at different stirring rates. Maximal xylitol production (22.2 g litre(-1)) was obtained at 30 degrees C, with an aeration rate of 0.46 vvm using a stirring rate of 300 min(-1) (K(L)a=10.6 h(-1)). An increase in K(L)a produced an increase in the consumption of xylose in detriment to xylitol formation. The efficiency of substrate conversion to xylitol was 45% in a medium containing glucose and xylose but increased to 66% when glucose was omitted.

引用

页码：549 / 553

页数：5

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