Artemisia arborescens essential oil composition, enantiomeric distribution and antimicrobial activity from different wild populations from the Mediterranean Area

Caterina Mammina, Luca Settanni, Pierre Vanloot, Christian Roussel, Sergio Saia, Nathalie Dupuy, Mohammed El-Amin Said, Isabelle Bombarda, Aurora Aleo, Marcello Militello

Risultato della ricerca: Article

9 Citazioni (Scopus)

Abstract

Aerial parts of Artemisia arborescens were collected from different sites of the Mediterranean area (southwestern Algeriaand southern Italy) and the chemical composition of their essential oil (EO) extracted by hydrodistillation was studied byboth gas chromatography (GC) equipped with an enantioselective capillary column and GC/mass spectrometry (GC/MS). TheEOs obtained were tested against several Listeria monocytogenes strains. Using GC and GC/MS, 41 compounds wereidentified, accounting for 96.0 – 98.8% of the total EO. All EOs showed a similar terpene profile, which was rich inchamazulene, b-thujone, and camphor. However, the concentration of such compounds varied among the EOs. A. arborescensEO inhibited up to 83.3% of the L. monocytogenes strains, but the inhibitory spectrum varied among the EOs, with thosefrom Algeria showing a higher inhibition degree than the Italian EOs. Such effect likely depended on the ketone(b-thujone + camphor) content of the EO. The differences in the EO composition support the hypothesis that A. arborescenshas at least two different chemotypes: a b-thujone and a chamazulene type. The EO inhibitory spectrum indicates theA. arborescens EO as a valuable option in the control of the food-borne pathogens.
Lingua originaleEnglish
pagine (da-a)1095-1102
Numero di pagine8
RivistaCHEMISTRY & BIODIVERSITY
Stato di pubblicazionePublished - 2016

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Biochemistry
  • Chemistry(all)
  • Molecular Medicine
  • Molecular Biology

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