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The aroma of finnish wild raspberries, Rubus idaeus, L.

Das Aroma von finnischen wilden Himbeeren, Rubus idaeus, L.

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Zusammenfassung

Die flüchtigen Aromastoffe der wilden Himbeere wurden gaschromatographisch-massenspektrometrisch bestimmt. Insgesamt 75 Bestandteile wurden identifiziert, entsprechend einem Gehalt an ätherischem Öl von etwa 64 ppm. Mehr als 40 Komponenten wurden festgestellt, die bisher nicht in Himbeeren identifiziert worden sind. Zu diesen gehören 5-Methyl-4-hydroxy-3(2H)furanon, 2,5-Dimethyl-4-hydroxy-3(2H)furanon, 2,5-Dimethyl-4-methoxy-3(2H)furanon und 11 Terpene. Die zwei identifizierten Ester, nämlich 5-Hydroxyoctansäureethylester und 5-Hydroxydecansäureethylester, sind bisher in keinen natürlichen Produkten gefunden worden. Diese Ester sind sehr unstabil und wurden beim Verarbeiten der Beeren leicht zu den entsprechenden δ-Laktonen umgewandelt.

Summary

Volatile components of fresh wild raspberries were studied by combined gas chromatographymass spectrometry. A total of 75 components were identified, corresponding to about 64 ppm of raspberry oil in the press juice. More than 40 compounds not reported previously as raspberry volatiles were detected. These included 5-methyl-4-hydroxy-3(2H)furanone, 2,5-dimethyl-4-hydroxy-3(2H)furanone, 2,5-dimethyl-4-methoxy-3(2H)furanone, and 11 terpenes. Two of the identified esters, ethyl 5-hydroxyoctanoate and ethyl 5-hydroxydecanoate, have not previously been identified in natural products. These esters are very unstable, forming the corresponding δ-lactones during processing of the berries.

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Honkanen, E., Pyysalo, T. & Hirvi, T. The aroma of finnish wild raspberries, Rubus idaeus, L.. Z Lebensm Unters Forch 171, 180–182 (1980). https://doi.org/10.1007/BF01042646

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  • DOI: https://doi.org/10.1007/BF01042646

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