Front Matter
of a solvent using Lipozyme (Haraldsson and Kristinsson, 1998) (Scheme 9). By a similar methodology they were able to purify EPA ...
Akoh and co-workers have treated various types of TG with n-3 PUFA in lipase- catalyzed transesterification reactions. These inc ...
extremely labile. Lipases are relatively inexpensive and efficient biocatalysts, and can be supplied in an immobilized form that ...
Haraldsson, G.G., Gudmundsson, B.O ̈., Almarsson, O ̈. (1993c), The preparation of homogeneous trigly- cerides of eicosapentaeno ...
Mangold, H.K., Paltauf, F. (Eds) (1983),Ether Lipids. Biochemical and Biomedical Aspects. Academic Press, Inc., New York. McNeil ...
11 Modification of Oils and Fats by Lipase-Catalyzed Interesterification: Aspects of Process Engineering Xuebing Xu Abbreviation ...
11.1 Introduction Enzymatic modification of fats and oils has long been of great interest (Yokozeki et al., 1982; Macrae and Ham ...
11.2 Lipase-catalyzed interesterification: compositional profiles at reaction equilibrium 11.2.1 Ester – ester exchange between ...
The reaction between triacylglycerols catalyzed by nonspecific lipases proceeds toward randomization provided that the nonspecif ...
11.2.2 Acidolysis between triacylglycerols and free fatty acids with regiospecific lipases The reactions between triacylglycerol ...
YXYðmol%Þ¼ 100 ðSrÞ 2 ð 2 þSrÞ 2 ð^7 Þ whereSris the substrate molar ratio (Y/XXX). In practice, it should be borne in mind tha ...
Glyðmol%Þ¼ 100 n^3 ð 1 þnÞ 3 ð^12 Þ The relationship between the four species and the substrate molar ratio (n) can be depicted ...
11.3 Kinetics of lipase-catalyzed interesterification Lipase-catalyzed interesterification most likely takes place in the sequen ...
a batch solvent system. The hypothesis consists of four steps. The lipase forms a TAGE complex in the first step, followed by a ...
11.4 Immobilized lipases Lipases are normally used in an immobilized form in industry because reuse or continuous use of the lip ...
cous substrates. The substrate diffusion across the thin film from the bulk mixture to the surface of the support follows Fick’s ...
ure 6 illustrates the conversion (X^0 ) under same residence time (sR) and various linear flow rates higher than 5 10 -5ms-1(u) ...
were also observed in the lipase-catalyzed acidolysis (Xu et al., 1998b). In a system of the lipase-catalyzed acidolysis between ...
11.6 Bioreactors for the lipase-catalyzed interesterification Enzyme reactors are often classified by operation (batch or contin ...
Most previous work on the lipase applications in lipid modification has been con- ducted in batch reactors, including those tube ...
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