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Synthesis of pyrraline reference material

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Abstract

A simplified and improved method is described for the preparation of pyrraline, a lysine derivative from the advanced Maillard reaction and potential indicator for heat treatment of foods. The compound was obtained in a high degree of purity and with a yield of 31% fromN α-t-butyloxycarbonyl-L-lysine after heating with 3-deoxy-D-erythro-hexos-2-ulose for 2 h at 70°C in the dry state, preparative fractionation of the resultingN α-t-butyloxycarbonyl pyrraline with reverse-phase liquid chromatography and final deprotection of the intermediate compound with acetic acid.

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Authors and Affiliations

  1. Lehrstuhl für Milchwissenschaft, Technische Universität München, Vöttinger Strasse 45, D-85350, Freising-Weihenstephan, Germany

    Thomas Henle & Anja Bachmann

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  1. Thomas Henle
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  2. Anja Bachmann
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Henle, T., Bachmann, A. Synthesis of pyrraline reference material. Z Lebensm Unters Forch 202, 72–74 (1996). https://doi.org/10.1007/BF01229689

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  • DOI: https://doi.org/10.1007/BF01229689

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