ANALYSIS OF ODOR-ACTIVE VOLATILES FROM PSEUDOMONAS-FRAGI GROWN IN MILK

被引:51
|
作者
CORMIER, F
RAYMOND, Y
CHAMPAGNE, CP
MORIN, A
机构
[1] Food Research and Development Centre, Agriculture Canada, St. Hyacinthe, Québec, J2S 8E3
关键词
D O I
10.1021/jf00001a031
中图分类号
S [农业科学];
学科分类号
09 ;
摘要
Pseudomonas fragi produced a pleasant strawberry-like odor when grown in skim milk at 15-degrees-C. Volatiles from the culture broth were extracted and enriched by using a purge and trap method and analyzed by using sniffing FID-GC. FID revealed the presence of approximately 90 compounds. Concomitant olfactory analysis of the eluted compounds demonstrated that 26 were odor-active. Ethyl butyrate, ethyl 3-methylbutanoate, and ethyl hexanoate were the major contributors to the odor, while other compounds contributed to its complexity and richness.
引用
收藏
页码:159 / 161
页数:3
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