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Volatile flavour components of marula juice

Flüchtige Aromastoffe von Marula-Salt

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Zusammenfassung

Die flüchtigen Aromastoffe von Marula-Saft, hergestellt aus in Südafrika gelesenen Früchten, wurden mit einer bewährten Flüssig-Flüssig-Extraktionsmethode angereichert. Mittels GC und GC-MS wurden 60 Verbindungen identifiziert, deren Kovats-Indices auf CW20M niedriger als 2000 lagen.

Sesquiterpen Kohlenwasserstoffe bildeten die vorherrschende Gruppe von Verbindungen, wobei β-Caryophyllen Hauptbestandteil aller untersuchter Proben war. Insgesamt wurden 33 Sesquiterpenkohlenwasserstoffe detektiert, von denen 22 positiv identifiziert wurden, einschließlich aller Hauptkomponenten. Deutliche Unterschiede innerhalb der Aromafraktion der untersuchten Proben waren nur bei den Sesquiterpenen festzustellen.

Geruchstests der gaschromatographisch getrennten Verbindungen ließen das Fehlen von Verbindungen mit „impact charakter” erkennen.

Summary

The volatile aromatics of marula fruit picked in the Republic of South Africa were enriched by means of an established liquid-liquid extraction technique. GC and GC-MS analyses were employed to identify 60 components with Kovats Indices lower than 2,000 (CW20M).

Sesquiterpene hydrocarbons formed the most abundant group of compounds, with β-caryophyllene being the major constituent of all analyzed samples. 33 sesquiterpene hydrocarbons could be detected of which 22 were identified, including all major components. Significant differences between the analyzed samples were observed only within the sesquiterpene fraction. - Odour assesment indicated the absence of compounds with impact character.

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Pretorius, V., Rohwer, E., Rapp, A. et al. Volatile flavour components of marula juice. Z Lebensm Unters Forch 181, 458–461 (1985). https://doi.org/10.1007/BF01140947

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  • DOI: https://doi.org/10.1007/BF01140947

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