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Effect of pressure on processes modelling the Maillard reaction

✍ Scribed by Neil S. Isaacs; Mark Coulson


Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
379 KB
Volume
9
Category
Article
ISSN
0894-3230

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✦ Synopsis


The Maillard reaction between tryptophan and glucose or xylose was studied as a function of pressure. Using model reactions, volumes of activation for the formation of the intermediate imine and the Amadori rearrangement and for the decomposition of the aminoketose were measured as -14, 8 and 17 cm'mol-', respectively. Pressure therefore accelerates the initial reactions but retards the formation of the final heterocyclic products and melanoidins. Oxygen was found to accelerate the latter reaction.


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