Lipase-catalyzed esterification of citronellol with lauric acid in supercritical carbon dioxide/co-solvent media |
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| Authors: | Maja Habulin, Sa&#x a &#x abeder, Muzafera Paljevac, Mateja Primo i
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eljko Knez |
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| Affiliation: | aUniversity of Maribor, Faculty of Chemistry and Chemical Engineering, Laboratory for Separation Processes, Smetanova 17, SI-2000 Maribor, Slovenia |
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| Abstract: | 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 °C and 10 MPa. |
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| Keywords: | Citronellol laurate synthesis Candida antarctica lipase B Organic solvents Ionic liquids Supercritical carbon dioxide |
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