NDLI: Interesterification of Soybean Oil and Methyl Stearate Catalyzed by Guanidine-Functionalized SBA-15 Silica

Content Provider	Springer Nature Link
Author	Xie, Wenlei Yang, Xinli Zang, Xuezhen
Copyright Year	2015
Abstract	The main purpose of this study was to develop a heterogeneous interesterification catalyst for the modification of edible oils to enhance their physicochemical and functional performances. To achieve this, 1,3-dicyclohexyl-2-octylguanidine was covalently immobilized on the SBA-15 (Santa Barbara Amorphous 15) material and then used as solid catalysts for the interesterification between soybean oil and methyl stearate. The characterization of the guanidine-functionalized SBA-15 material included Fourier transform infrared spectra, scanning electron microscopy, elemental analysis, and nitrogen adsorption–desorption techniques. It was shown that the solid base catalyst could efficiently catalyze the interesterification reaction. After the interesterification, the fatty acid profiles and triacylglycerol compositions of interesterified products were substantially varied. The influence of interesterification parameters, such as the substrate ratio, reaction time, reaction temperature and catalyst loading, on the interesterification reaction was investigated regarding the percentage of stearic acid in interesterified triacylglycerols. The stearic acid percentage of 27.9 % was achieved at 100 °C within 4 h when the methyl stearate/soybean oil molar ratio of 6:1 was employed. The catalyst could be recovered easily by filtration and reused without significant loss of activity.
Starting Page	915
Ending Page	925
Page Count	11
File Format	PDF
ISSN	0003021X
Journal	Journal of the American Oil Chemists' Society
Volume Number	92
Issue Number	6
e-ISSN	15589331
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2015-04-22
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Heterogeneous catalyst Interesterification Soybean oil Methyl stearate Industrial Chemistry/Chemical Engineering Biomaterials Agriculture Food Science Biotechnology
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Chemical Engineering

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