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Kinetic study on the Maillard reaction. Consideration of sugar reactivity.

Abstract : The aim of the present study was to compare five reducing sugars (ribose, xylose, arabinose, glucose and fructose) with respect to their relative reactivity in the Maillard reaction (MR) (55 °C, pH 6.5) with a shrimp hydrolysate. For each system, the extent of the MR was assessed for a 24-h period by monitoring browning intensity, free amino group disappearance and sugar consumption. Results revealed the prevailing propensity of pentoses over hexoses to react in the MR, with a distinguishable behaviour for the ribose-hydrolysate system. Interestingly, pentoses were shown to mainly differ in terms of reaction rate. Complementary data on the chemical composition of the MR products (MRPs) were provided by size-exclusion chromatography, thus demonstrating the occurrence of some molecular rearrangements detected at 294 nm. The modification of protein substrates through the MR could represent a key step in the formation of new molecules and constitute a promising means to produce high value-added ingredients with biological and techno-functional properties.
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Submitted on : Thursday, February 6, 2020 - 3:45:52 PM
Last modification on : Monday, September 12, 2022 - 10:10:36 AM

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Delphine Laroque, Claude Inisan, Céline Berger, Eric Vouland, Laurent Dufossé, et al.. Kinetic study on the Maillard reaction. Consideration of sugar reactivity.. Food Chemistry, 2008, 111 (4), pp.1032-1042. ⟨10.1016/j.foodchem.2008.05.033⟩. ⟨hal-02469513⟩



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