NDLI: Lipase-catalyzed transesterification of soybean oil and phytosterol in supercritical CO2

Content Provider	Springer Nature Link
Author	Hu, Lizhi Llibin, Sun Li, Jun Qi, Liangjun Zhang, Xu Yu, Dianyu Walid, Elfalleh Jiang, Lianzhou
Copyright Year	2015
Abstract	The transesterification of phytosterol and soybean oil was performed using Novozym 435 in supercritical carbon dioxide (SC-CO2). The transesterification reaction was conducted in soybean oil containing 5–25 % phytosterol at 55–95 °C and free-water solvent. The effects of temperature, reaction time, phytosterol concentration, lipase dosage and reaction pressure on the conversion rate of transesterification were investigated. The optimal reaction conditions were the reaction temperature (85 °C), reaction time (1 h), phytosterol concentration (5 %), reaction pressure (8 Mpa) and lipase dosage (1 %). The highest conversion rate of 92 % could be achieved under the optimum conditions. Compared with the method of lipase-catalyzed transesterification of phytosterol and soybean oil at normal pressure, the transesterification in SC-CO2 reduced significantly the reaction temperature and reaction time.
Starting Page	2343
Ending Page	2347
Page Count	5
File Format	PDF
ISSN	16157591
Journal	Bioprocess Engineering
Volume Number	38
Issue Number	12
e-ISSN	16157605
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2015-09-19
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Soybean oil Transesterification Enzymatic catalysis Phytosterol esters Supercritical CO2 Biotechnology Industrial and Production Engineering Environmental Engineering/Biotechnology Industrial Chemistry/Chemical Engineering Food Science
Content Type	Text
Resource Type	Article
Subject	Medicine Bioengineering Biotechnology

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