Front Matter
As is clear from Table 1, the method is well suited for the preparation of isomeri- cally pure 1,3-sn-diacylglycerols with fatty ...
106 6 Lipase-Catalyzed Synthesis of Regioisomerically Pure Mono- and Diglycerides Table 1.Regioisomerically pure 1,3-sn-diglycer ...
* modified with succinic acid (Berger and Schneider, 1993); or * modified with amino acids (Aha, 1999; Berger, 1993; Berger and ...
In view of the additional steps required for the introduction of the protection groups, their removal and finally their product ...
In order to achieve quantitative conversions of all employed reactants, but without the need for excess glycerol, two major prob ...
the separator) in which the desired monoacylglycerols are separated at lower tem- peratures. A schematic representation of the e ...
The synthesis of monopentadecanoin, a product for cosmetic applications is shown schematically in Figure 20. Of importance from ...
further purification steps (Figure 23). The natural distribution of fatty acids, shown as triglycerides in the gas chromatogram ...
6.7 Conclusion The above-described procedures for the synthesis of regioisomerically pure mono- and diglycerides provide ready a ...
A wide variety of acyl donors can be employed, including saturated, unsaturated and functionalized fatty acids, fatty acid methy ...
Holmberg, K., Osterberg, E. (1988), Enzymatic preparation of monoglycerides in microemulsion,J. Am Oil Chem. Soc. 65 , 1544–1548 ...
7 Lipase-Catalyzed Peroxy Fatty Acid Generation and Lipid Oxidation Mark Ru ̈sch gen. Klaas and Siegfried Warwel 7.1 Introductio ...
These workers also used these peracidsin situfor epoxidation (Bjo ̈rkling et al., 1990; 1992; Godtfredsen et al., 1990). In the ...
this method much more attractive to the organic chemist. It should be mentioned here that the chemical industry may on occasion ...
7.3.1 ‘Self’-epoxidation of unsaturated fatty acids If an unsaturated fatty acid is treated with H 2 O 2 in the presence of Novo ...
acid epoxidizes ‘itself’ in an uncatalyzed Prileshajev epoxidation (hence ‘chemo- enzymatic’). In the cases we examined the reac ...
7.3.2 ‘Self’-epoxidation of unsaturated triglycerides and fatty acid esters Based on perhydrolysis, a similar method for the epo ...
fatty acids (Figure 4). In this case the reaction mixture consists only of epoxidized triglycerides and epoxidized free fatty ac ...
esters (RME, ‘biodiesel’) was epoxidized using the same procedure (Warwel et al., 1996); in this case, the composition of the ep ...
124 7 Lipase-Catalyzed Peroxy Fatty Acid Generation and Lipid Oxidation Figure 5. Chemo-enzymatic epoxidation of unsaturated alc ...
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