Nat Prod Sci.  2020 Mar;26(1):97-107. 10.20307/nps.2020.26.1.97.

Qualitative, Quantitative Analysis and Chiral Characterization of the Essential Oils of Juniperus phoenicea L. and Juniperus oxycedrus L.

Affiliations
  • 1Laboratory of Research on Bio-active Products and Valorization of Biomasse, Faculty of Chemistry, Ecole Normale Supérieure. El Bachir El Ibrahimi. B.P. 92, ENS, Kouba-Algiers, Algeria.
  • 2Laboratory of Chromatography, Faculty of Chemistry, Houari Boumediene University of Sciences and Technology, USTHB, El Alia, B.P. 32, Bab Ezzouar, Algiers, Algeria

Abstract

Isolation of oils from leaves of Juniperus phoenicea and Juniperus oxycedrus was obtained by steam distillation extraction method. The compositions of essential oils (EOs) were studied by means of GC-MS and GC-FID, using the internal standard method and relative response factors. Around ninety eight compounds were determined in total, representing 98.25 g/100 g of EO of J. phoenicea and 98.48 g/100 g of EO of J. oxycedrus, respectively. The volatile leaf oils were dominated by the terpenic hydrocarbon fractions (79.87 g/100 g) and (61.27 g/100 g) characterized by high contents of α-pinene (64.6 g/100 g) and (54.0 g/100 g) in J. phoenicea and J. oxycedrus, respectively, as the main component. Also, the enantiomeric distribution of α-pinene, sabinene, camphene, δ-3-carene, β-pinene, limonene, linalool, terpinen-4-ol, bornyl acetate, and borneol in both oils is presented for the first time.

Keyword

Juniperus phoenicea; Juniperus oxycedrus; Steam distillation; GC quantitative analysis; enatio-GCFID; GC-MS
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