STEREOISOMERIC FLAVOR COMPOUNDS .69. STEREODIFFERENTIATION OF DELTA(GAMMA)-LACTONES C-8-C-18 IN DAIRY-PRODUCTS, MARGARINE AND COCONUT

被引：28

作者：

LEHMANN, D ^{[1
]}

MAAS, B ^{[1
]}

MOSANDL, A ^{[1
]}

机构：

[1] UNIV FRANKFURT,BIOZENTRUM,INST LEBENSMITTELCHEM,D-60439 FRANKFURT,GERMANY

来源：

ZEITSCHRIFT FUR LEBENSMITTEL-UNTERSUCHUNG UND-FORSCHUNG | 1995年 / 201卷 / 01期

关键词：

D O I：

10.1007/BF01193201

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

The enantiomeric distributions of delta- and gamma-lactones from dairy products are determined by enantioselective multidimensional gas chromatography. By using heptakis(2,3-di-O-acetyl-6-O-TBDMS)-beta-cyclodextrin as the chiral main column, the simultaneous stereodifferentiation of the delta- and gamma-lactones C-13-C-18 is reported for the first time. Genuine lactones of dairy products preferably occur as (R)-enantiomers. Flavoured margarine and coconut are analysed and discussed. Reference compounds are synthesized as racemates and separated by enantioselective HPLC into the enantiomers. Chiral compounds of characteristic enantiomeric ratios are detected irrespective of the manufacturing processes used.

引用

页码：55 / 61

页数：7

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