RESOLUTION OF LIPOLYSIS MIXTURES FROM SOYBEAN OIL BY A SOLID-PHASE EXTRACTION PROCEDURE

被引:22
作者
NEFF, WE
ZEITOUN, MAM
WEISLEDER, D
机构
[1] UNIV ALEXANDRIA,FAC AGR SABA BASHA,DEPT FOOD SCI,ALEXANDRIA,EGYPT
[2] USDA ARS,NATL CTR AGR UTILIZAT RES,PEORIA,IL 61604
来源
JOURNAL OF CHROMATOGRAPHY | 1992年 / 589卷 / 1-2期
关键词
D O I
10.1016/0021-9673(92)80045-V
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A solid-phase extraction procedure was developed to rapidly resolve the lipolysis mixtures of free fatty acids, mono- and diacylglycerols from lipase (E.C. 3.1.1.3) cleavage of soybean oil triacylglycerols. Accuracy of the lipolysis procedure against standard mixtures of triacylglycerols showed coefficients of variance of 5% between known and observed fatty acid composition at glycerol carbon 2. An average coefficient of variance of 5% was obtained between results of the lipolysis procedure, fatty acid composition by gas chromatography, and the results by C-13 nuclear magnetic resonance stereospecific analysis for fatty acid composition at glycerol carbons 1,3 and 2 of intact triacylglycerol mixtures.
引用
收藏
页码:353 / 357
页数:5
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