Optimization of culture conditions for production of cis-epoxysuccinic acid hydrolase using response surface methodology

被引：33

作者：

Li, Xia ^{[1
]}

Xu, Tongcheng ^{[2
]}

Ma, Xiaohang ^{[1
]}

Guo, Kangping ^{[1
]}

Kai, Lei ^{[3
]}

Zhao, Yuhua ^{[1
]}

Jia, Xiaoming ^{[1
]}

Ma, Yin ^{[4
]}

机构：

[1] Zhejiang Univ, Coll Life Sci, Hangzhou 310058, Peoples R China

[2] Zhejiang Univ, Dept Food Sci & Nutr, Hangzhou 310029, Peoples R China

[3] Zhejiang Univ, Coll Mat Sci & Chem Engn, Hangzhou 310027, Peoples R China

[4] Zhejiang Univ City Coll, Sch Life Sci, Hangzhou 310015, Peoples R China

来源：

BIORESOURCE TECHNOLOGY | 2008年 / 99卷 / 13期

关键词：

cis-epoxysuccinic acid hydrolase; optimization; Plackett-Burman; response surface methodology;

D O I：

10.1016/j.biortech.2007.11.017

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Response surface methodology, which allows for rapid identification of important factors and optimization of them to enhance enzyme production, was employed here to optimize culture conditions for the production of cis-epoxysuccinic acid hydrolase from Bordetella sp. strain 1-3. In the first step, a Plackett-Burman design was used to evaluate the effects of nine variables (yeast extract, cis-epoxysuccinic acid, KH2PO4, K(2)HPO(4)(.)3H(2)O, MgSO(4)(.)7H(2)O, trace minerals solution, culture volume, initial pH and incubation time) on the enzyme production. Yeast extract, cis-epoxysuccinic acid and KH2PO4 had significant influences on cis-epoxysuccinic acid hydrolase production and their concentrations were further optimized using central composite design and response surface analysis. A combination of adjusting the concentration of yeast extract to 7.8 g/l, cis-epoxysuccinic acid to 9.8 g/l, and KH2PO4 to 1.12 g/l would favor maximum cis-epoxysuccinic acid hydrolase production. An enhancement of cis-epoxysuccinic acid hydrolase production from 5.6 U/ml to 9.27 U/ml was gained after optimization. (C) 2007 Elsevier Ltd. All rights reserved.

引用

页码：5391 / 5396

页数：6

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