VOLATILE SULFUR-CONTAINING-COMPOUNDS GENERATED FROM THE THERMAL INTERACTION OF CORN-OIL AND CYSTEINE

被引：26

作者：

MACKU, C ^{[1
]}

SHIBAMOTO, T ^{[1
]}

机构：

[1] UNIV CALIF DAVIS, DEPT ENVIRONM TOXICOL, DAVIS, CA 95616 USA

来源：

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY | 1991年 / 39卷 / 11期

关键词：

D O I：

10.1021/jf00011a021

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

Headspace volatile compounds produced from corn oil heated with cysteine at 180-degrees-C were collected by a simultaneous purging and solvent extraction apparatus. Aroma components were analyzed by gas chromatography and gas chromatography/mass spectrometry. Fifty-four compounds were positively identified among over 100 gas chromatographic peaks. The identification of sulfur-containing compounds was confirmed by a flame photometric detector. The compounds identified were one aldehyde, three alcohols, five ketones, five alkanes, five alkenes, two furans, three pyridines, two pyrroles, five alkylbenzenes, eight thiophenes, four thiiranes, three thiols, one thiazole, five thiazolidines, and two trithiolanes. Alpha,beta-Unsaturated fatty aldehydes are proposed to react with hydrogen sulfide, a cysteine pyrolysis product, to form 2-alkylthiophenes.

引用

页码：1987 / 1989

页数：3

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