期刊
JOURNAL OF MOLECULAR CATALYSIS B-ENZYMATIC
卷 99, 期 -, 页码 1-7出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.molcatb.2013.10.016
关键词
Lipase production; Cold-adapted lipases; Transesterification; FAMEs
资金
- Scientific and Technological Research Council (MINECO, Spain) [CTQ2010-21183-C02-02/PPQ]
- IV Pla de Recerca de Catalunya [2009SGR-819]
- PCI-AECID project [A203563511]
- Generalitat de Catalunya
- Spanish Ministry of Science and Education [AP2008-04579]
Lipase application in industrial biocatalytic processes is a topic of great interest due to their versatility and mild conditions of use. Many lipases from different sources have been studied, improved and used in a variety of chemical reactions. One of the most recent applications is the transesterification of vegetal triglycerides with methanol to produce fatty acid methyl esters (FAMEs), aimed at the synthesis of enzymatic biodiesel. In general, this process has been performed using immobilized lipases as biocatalysts. However, last tendencies are promoting the use of soluble enzyme preparations to reduce the cost of the enzymatic preparations and to make the whole process more competitive with respect to the chemical systems. In this work, we evaluated both, the soluble and immobilized preparations of two cold-adapted lipases: LipC from Pseudomonas aeruginosa 42A2, and its thermo stable variant LipCmut, which were over expressed and produced using a low cost protocol. Several conditions of soybean oil transesterification with such lipase preparations were tested to evaluate the enzymatic FAMEs production process. (C) 2013 Elsevier B.V. All rights reserved.
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