Reactions of Dehydroascorbic Acid with Primary Aliphatic Amines Including Nα-Acetyllysine
- 1 January 1996
- journal article
- research article
- Published by American Chemical Society (ACS) in Journal of Agricultural and Food Chemistry
- Vol. 44 (7), 1630-1634
- https://doi.org/10.1021/jf9601426
Abstract
The reaction of l-dehydroascorbic acid (DHA) with primary aliphatic amines including Nα-acetyllysine was examined by HPLC. A new aminoreductone, 2-deoxy-2-(propylamino)ascorbic acid (1) was isolated and the structure elucidated by spectroscopic data. Furthermore oxalic acid mono- (2) and diamides (3) were identified as important degradation products of DHA under Maillard conditions. 3-Deoxy-3-(alkylamino)ascorbic acids (4), typical condensation products of l-ascorbic acid and amines, were also detected in the reaction mixtures of DHA. All products are formed under oxidative and nonoxidative conditions from DHA. Keywords: Maillard reaction; l-dehydroascorbic acid; l-ascorbic acid; oxalic acid amides; aminoreductones; protein glycation; protein cross linkKeywords
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