期刊
JOURNAL OF SUPERCRITICAL FLUIDS
卷 43, 期 2, 页码 199-203出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.supflu.2007.05.001
关键词
citronellol laurate synthesis; candida antarctica lipase B; organic solvents; ionic liquids; Supercritical carbon dioxide
Direct esterification of citronellol and lauric acid catalyzed by immobilized lipase B from Candida antarctica was performed in supercritical carbon dioxide with different organic solvents and ionic liquids serving as co-solvents. The highest concentration of citronellol laurate after 1 h of reaction performance (3.95 mmol/g substrates) was obtained in SC CO2 with ethyl methylketone serving as a co-solvent. The optimal temperature and pressure for citronellol laurate synthesis in SC CO2/EMK medium was determined to be 60 degrees C and 10MPa. (C) 2007 Elsevier B.V. All rights reserved.
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