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The application of analytical and semi-preparative columns in reversed-phase liquid chromatography–solid-phase extraction–nuclear magnetic resonance (HPLC-SPE-NMR) was compared. The work was aiming at separating a higher sample amount in a single run and in this way to reduce the necessary NMR measurement time of separated compounds. Several parameters for compound separation and trapping procedures...
The present study deals with the use of headspace and gas sensor techniques for the measurements of Maillard volatiles in model system. Both methods can be used for assessing various processes in food control. The volatile compounds produced during thermal browning of glucose-glycine model system were collected by dynamic headspace techniques and analysed by GC-MS. The effect of added formaldehyde...
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