Influence of pH on the xylose reductase activity of Candida guilliermondii during fed-batch xylitol bioproduction

被引：0
|
作者：
Rodrigues, DCGD
da Silva, SS
Vitolo, M
机构：
[1] Fac Chem Engn Lorena, Dept Biotechnol, BR-12600000 Lorena, SP, Brazil
[2] Univ Sao Paulo, Sch Pharmaceut Sci, Dept Pharmaceut Technol & Biochem, BR-05508900 Sao Paulo, Brazil
来源：
JOURNAL OF BASIC MICROBIOLOGY | 2002年 / 42卷 / 03期
关键词：
D O I：
10.1002/1521-4028(200206)42:3<201::AID-JOBM201>3.0.CO;2-#
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
The influence of pH on the xylose reductase (XR) activity was studied. The fed-batch fermentation using exponential feeding rate was employed to produce xylitol. The feeding started when the xylose concentration in the fermenter reached 50 g/l and the pH was adjusted to 2.5, 4.0 or 6.0. The best results for XR activity (0.567 U/mg(protein)) and xylitol volumetric productivity (1.06 g/l.h) were achieved with pH 6.0.
引用
收藏
页码：201 / 206
页数：6
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