Abstract
The reaction of N α- acetyl- dl)- tryptophan amide (a model for proteinbound tryptophan) with either d- xylose or d- glucose in acidic solution at 75 or 100°C gave the respective N α- acetyl-1-(β- d- glycopyranosyl)- dl- tryptophan amides as the main products in 10–20% yield. These results indicate that the indole nitrogen of protein-bound tryptophan may react with reducing carbohydrates during acid hydrolysis of proteins or, to a lesser extent, during food processing in acidic conditions.
Published Version
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