Application of statistically-based experimental designs for the optimization of nisin production from whey

被引：0
|
作者：
Chuanbin Liu
Yan Liu
Wei Liao
Zhiyou Wen
Shulin Chen
机构：
[1] Washington State University,Department of Biological Systems Engineering
来源：
Biotechnology Letters | 2003年 / 25卷
关键词：
experimental design; fermentation; nisin; optimization; whey;
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学科分类号：
摘要：
Statistically-based experimental designs were applied for the optimization of nisin production by Lactococcus lactis in a whey-based medium. Yeast extract, KH2PO4, and MgSO4 were identified to have significant effects on nisin biosynthesis by a Plackett–Burman design. These three significant factors were subsequently optimized using central composite design, and the optimal conditions were determined to be 12.067 g l−1 for yeast extract, 0.569 g l−1 for KH2PO4, and 0.572 g l−1 for MgSO4. The validity of the optimal conditions was verified by a separate experiment.
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页码：877 / 882
页数：5
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