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The kinetics of browning (measured in terms of the absorbance at 450 nm, A 450 ) in the glucose-glycine and 3-deoxyhexosulose (DH)-glycine reactions, and the kinetics of loss of sulphite species (S(IV)) in glucose-glycine-S(IV) reactions, all at pH 5.5 (acetate buffer) and 70°C, were used to derive, from first principles, a kinetic model for the browning of glucose-glycine mixtures. A consecutive...