Abstract
AbstractThe deduction of a kinetic model of colour formation, especially by the Maillard reaction, in heated concentrated carbohydrate solutions is described on the basis of systematic experimental studies. The main parameters of the colour formation are included such as reaction time, temperature, pH, amounts of sucrose, glucose, fructose, amino‐nitrogen and dry matter. The model is based on a three step first order consecutive reaction beginning with sucrose via glucose/fructose and dicarbonyl compounds to the colourants. The suitability of the model was tested on model experiments as well as on experiments with technical solutions in an evaporation station. It resulted in a good correspondence between measured and calculated colour values. The potentials of the model are discussed and the range of applications is pointed out.
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