Document Detail

Optimization of Cold-Active Lipase Production from Psychrophilic Bacterium Moritella sp. 2-5-10-1 by Statistical Experimental Methods.
MedLine Citation:
PMID:  23291744     Owner:  NLM     Status:  Publisher    
Statistical experimental designs were applied to optimize cold-active lipase production by the psychrophilic bacterium Moritella sp. 2-5-10-1. First, a Plackett-Burmen design (PBD) was used to evaluate the significant effects of various fermentation parameters. The results indicated that soybean meal, temperature, and Tween-80 had significant influences on lipase production. The levels of these variables were optimized subsequently using central composite design (CCD). A quadratic regression model of cold-active lipase production was built, and verification experiments confirmed its validity. On subsequent scale-up in a 10-L bioreactor using optimized conditions, cold-active lipase production (30.56 U/mL) was obtained. The results clearly indicated that the model was adequate even on a large scale. To our knowledge, this is the first report of statistical optimization of cold-active lipase production by a psychrophilic bacterium.
Quanfu Wang; Chunyu Zhang; Yanhua Hou; Xuezheng Lin; Jihong Shen; Xiangyu Guan
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-07
Journal Detail:
Title:  Bioscience, biotechnology, and biochemistry     Volume:  -     ISSN:  1347-6947     ISO Abbreviation:  Biosci. Biotechnol. Biochem.     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-7     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9205717     Medline TA:  Biosci Biotechnol Biochem     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
School of Marine and Technology, Harbin Institute of Technology.
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