Journal of Agricultural and Food Chemistry 1999-01-01

Characterization of volatile compounds from the reaction of 3-hydroxy-2-butanone and ammonium sulfide model system.

J Xi, T C Huang, C T Ho

文献索引：J. Agric. Food Chem. 47(1) , 245-8, (1999)

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摘要

The reactions between 3-hydroxy-2-butanone and ammoniun sulfide at 25, 50, 75, 100, 125, and 150 degrees C were studied. Four well-known flavor compounds, 2,4,5-trimethyloxazole, 2,4, 5-trimethyl-3-oxazoline, 2,4,5-trimethylthiazole, and 2,4, 5-trimethyl-3-thiazoline, were identified. Another four interesting intermediate compounds, 2-(1-hydroxyethyl)-2,4, 5-trimethyl-3-oxazoline, 2-(1-mercaptoethyl)-2,4, 5-trimethyl-3-oxazoline, 2-(1-hydroxyethyl)-2,4, 5-trimethyl-3-thiazoline, and 2-(1-mercaptoethyl)-2,4, 5-trimethyl-3-thiazoline, were also identified by GC-EIMS and GC-CIMS. All these intermediate compounds were formed at 25 degrees C. On the other hand, tetramethylpyrazine was the major product with a reaction temperature higher than 100 degrees C.

相关化合物

  • 硫化铵溶液

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