Liquid column chromatography of oxo compounds as their 2,4-dinitrophenylhydrazones with special reference to glucose-glycine maillard reaction products
Journal of Chromatography A(1990)
摘要
Oxo compounds (2,4-dimtrophenylhydrazine-reactive) formed during the Maillard reaction between glucose and glycine were converted into 2,4-dinitrophenylhydrazones and were separated into five main fractions by reversed-phase chromatography on SeparonSGX C18 using a methanoi-water gradient. Four of these fractions were homogeneous, as shown by thin-layer chromatography. One of the fractions still consisted of two zones, which, however, were easy to separate by preparative thin-layer chromatography on silica gel with tetrachloromethane-methanol-n-butanol (90:5:5, v/v/v) with dual development. The nature of the compounds separated is discussed.
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关键词
maillard reaction
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