Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 497622
Title Kinetics of Ne-(carboxymethyl)lysine formation in aqueous model
Author(s) Nguyen, T.T.H.; Fels, H.J. van der; Boekel, T. van
Source Food Chemistry 192 (2016). - ISSN 0308-8146 - p. 125 - 133.
DOI http://dx.doi.org/10.1016/j.foodchem.2015.06.110
Department(s) RIKILT - BU Toxicology Bioassays & Novel Foods
VLAG
CS OnderwijsinstituutOnderwijsinstituut
Publication type Refereed Article in a scientific journal
Publication year 2016
Abstract This study investigated the formation of Nε-carboxymethyllysine (CML) in two caseinate solutions containing: (1) glucose, (2) lactose, each heated at 120 °C and 130 °C. At both heating temperatures, CML concentration in lactose-caseinate solution was higher than in glucose-caseinate solution. In both solutions, more CML was formed at 130 °C than at 120 °C. Using multiresponse modelling, two degradation routes for the sugars were confirmed: (1) isomerisation of glucose or lactose and subsequent degradation via Lobry de Bruyn–Alberda van Ekenstein (LA) arrangement; (2) the Maillard reaction between the reducing sugar and lysine residues. Modelling results suggested that CML was not formed from oxidation of the reducing sugars, but from the Maillard reaction via the Amadori rearrangement product. Since CML appeared to be thermally unstable under the current study conditions, it may not be a perfect indicator for heat damage of processed foods. This is the first study in which CML formation was linked to available information on the Maillard reaction via multiresponse modelling
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