HPLC USING DIOL-BONDED SILICA, AN ALTERNATIVE TO SILICA-GEL IN THE PREFRACTIONATION OF AROMA EXTRACTS

被引：7

作者：

BARRON, D ^{[1
]}

机构：

[1] INRA,RECH AROMES LAB,BP 1540,F-35590 HERMITAGE,FRANCE

来源：

ZEITSCHRIFT FUR LEBENSMITTEL-UNTERSUCHUNG UND-FORSCHUNG | 1991年 / 193卷 / 05期

关键词：

D O I：

10.1007/BF01187338

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

A strawberry jam dichloromethane aroma extract was pre-fractionated by normal phase HPLC on diol. This was preceded by neutralization with aqueous sodium bicarbonate, and removal of fatty acids by gel filtration on Sephadex LH-20. Elution of the diol column with a gradient of diethyl ether in pentane resulted in the separation of two main fractions. One contained hydrocarbons and carbonyl compounds, whereas lactones and polar compounds such as hydroxylated carbonyl compounds or alcohols were present in the second fraction. HPLC on diol is highly recommended as the first prefractionation step since, in contrast to silica gel, it allows easy recovery of all aroma constituents.

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页码：454 / 459

页数：6

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