Characterization of the key aroma compounds in dried fruits of the West African peppertree Xylopia aethiopica (Dunal) A. Rich (Annonaceae) using aroma extract dilution analysis

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Abstract

Application of aroma extract dilution analysis on an extract of the dried fruits of the West African peppertree Xylopia aethiopica obtained by extraction with diethyl ether followed by sublimation in vacuo revealed 28 odor-active compounds in the flavor dilution (FD) factor range of 4-8192, all of which could be identified. The highest FD factor was found for linalol (floral), followed by (E)-β-ocimene (flowery), α-farnesene (sweet, flowery), β-pinene (terpeny), α-pinene (pine needle-like), myrtenol (flowery), and β-phellandrene (terpeny). Vanillin (vanilla-like) and 3- ethylphenol (smoky, phenolic) showing somewhat lower FD factors (FD = 128) were detected for the first time as constituents of the dried fruit.

Original languageEnglish
Pages (from-to)3285-3287
Number of pages3
JournalJournal of agricultural and food chemistry
Volume47
Issue number8
DOIs
StatePublished - Aug 1999

Keywords

  • (E)-β-ocimene
  • Aroma extract dilution analysis
  • Linalol
  • West African peppertree
  • Xylopia aethiopica
  • α-farnesene

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