Acyl group migrations in 2-monoolein

被引:81
作者
Fureby, AM [1 ]
Virto, C [1 ]
Adlercreutz, P [1 ]
Mattiasson, B [1 ]
机构
[1] LUND UNIV,CTR CHEM,DEPT BIOTECHNOL,S-22100 LUND,SWEDEN
关键词
acyl migration; 2-monoolein; organic solvents; temperature; support materials; lipozyme;
D O I
10.3109/10242429609106879
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Acyl migration in 2-monoolein dissolved in solvents under conditions common in lipid modification reactions has been studied. The effects on acyl migration of solvent, incubation temperature, water activity, polar additives and solid additives have been investigated. Extensive acyl migration occured in aliphatic hydrocarbons and water-miscible alcohols under dry conditions. The acyl migration rate could be decreased in several nonpolar solvents by adding a small amount of water or an alcohol. Increasing water activity had no effect in isooctane, but decreased the acyl migration rate dramatically in methyl tert-butyl ether and methyl isobutyl ketone. Several commonly used enzyme supports catalysed acyl migration, showing that supports with surface charges could catalyse acyl migration.
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页码:89 / 111
页数:23
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