ANALYSIS OF THE MONOENOIC FATTY-ACID DISTRIBUTION IN HYDROGENATED VEGETABLE-OILS BY SILVER-ION HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY

被引：53

作者：

ADLOF, RO

COPES, LC

EMKEN, EA

机构：

[1] USDA, ARS, NCAUR, Food Quality and Safety Research, Peoria, Illinois

[2] USDA, ARS, NCAUR, Peoria, IL, 61604

来源：

JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY | 1995年 / 72卷 / 05期

关键词：

CIS ISOMERS; FATS AND OILS; FATTY ACIDS AND ESTERS; HYDROGENATION; ISOMERS; LIQUID CHROMATOGRAPHY; SILVER AND SILVER COMPOUNDS; TRANS ISOMERS; UNSATURATED FATTY ACIDS AND ESTERS;

D O I：

10.1007/BF02638858

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A silver-ion high-performance liquid chromatography column (hexane/acetonitrile as solvent, ultraviolet detection) was used to analyze the fatty acid distribution (as fatty acid methyl esters) of a representative sample of hydrogenated oil. Fractions containing cis- and trans-18:1 isomers were readily separated. The positional fatty acid isomers were separated by rechromatographing these fractions. The elution order and percent compositions were compared with results obtained by gas chromatography. Of the Delta 8 to Delta 14 trans-18:1 isomers, only the Delta 8 and Delta 9 pair could not be separated, The Delta 8 and Delta 9 cis-18:1 pair also could not be separated, and the Delta 10 isomer was poorly separated from this pair. Area percents were comparable to results obtained by gas chromatography.

引用

页码：571 / 574

页数：4

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