ANALYSIS OF ESTOLIDES IN TECHNICAL HYDROXYLATED FATTY-ACIDS FROM PLANT OILS

被引:3
作者
FEHLING, E
机构
[1] Institut für Biochemie und Technologie der Fette, H.P. Kaufmann-Institut, Bundesanstalt für Getreide-, Kartoffel- und Fettforschung, Detmold, D-32756
关键词
9,10-DIHYDROXY OCTADECANOIC ACID; DIHYDROXY TETRAHYDROFURAN OCTADECANOIC ACIDS; ESTOLIDES; GEL PERMEATION CHROMATOGRAPHY; HYDROXYLATED FATTY ACIDS;
D O I
10.1007/BF02541096
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Cel permeation chromatography of hydroxylated fatty acids (HOFA), prepared from various plant oils by a novel technical process, showed the presence of considerable amounts of estolides formed by intermolecular esterification of the HOFA. Thin-layer chromatographic fractionation followed by gas chromatography of the fractions revealed that the nonpolar estolides contain predominantly saturated fatty acids esterified to three-9,10-dihydroxy octadecanoic acid or dihydroxy tetrahydrofuran octadecanoic acids, e.g., 9,12-dihydroxy-10,13-epoxy octadecanoic acid and 10,13-dihydroxy-9,12-epoxy octadecanoic acid. The fractions of polar estolides consist mainly of intermolecular esters of the above dihydroxy fatty acids.
引用
收藏
页码:355 / 359
页数:5
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