Nat Prod Sci.  2018 Jun;24(2):125-131. 10.20307/nps.2018.24.2.125.

Chemical Composition and Antioxidant Activity of Algerian Juniperus Phoenicea Essential Oil

Affiliations
  • 1Laboratory of Natural Substances Valorization, University of Djilali Bounaama, Khemis Miliana, Road of Theniet El-Had, 44225, Algeria. aichaharhour@yahoo.fr
  • 2Agro-Bio Chem Department, General and Organic Chemistry, University of Liege, Gembloux Agro-Bio Tech, 2, Passage of deportees, B-5030 Gembloux, Belgium.
  • 3Agro-Bio Chem Department, Analytical Chemistry, University of Liege, Gembloux Agro-Bio Tech, 2, Passage of deportees, B-5030 Gembloux, Belgium.

Abstract

Berries and branches essential oil of Juniperus phoenicea were obtained by electromagnetic induction heating assisted extraction and by hydrodistillation with a yield varied from (1.2 ± 0.3 to 2.4 ± 0.7%) and from (0.6 ± 0.1% to 1.1 ± 0.1%), respectively. forty eight compounds were identified representing (97.2 - 99.7%) of the oil. α-Pinene (40.3 - 67.8%) and δ-3-carene (13.5 - 26.8%) were the main compounds in berries and branches essential oils. Antioxidant activity was evaluated by three means: inhibition of 2, 2-diphenyl-1-picryl hydrazyl (DPPH) free radical, reducing power and β-Carotene/linoleic acid bleaching. The antioxidant activity of essential oils showed ICâ‚…â‚€ ranging from 67.6 ± 1.02 µg/mL to 131.5 ± 0.8 µg/mL for berries and from 98 ± 1.25 µg/mL to 166.8 ± 0.29 µg/mL for the branches. Berries oil show more potent antioxidant activity compared to branches. This result is supported by the three methods investigated in this work.

Keyword

Juniperus; Essential oil; Electromagnetic induction heating; Hydrodistillation; Chemical composition; Antioxidant activity

MeSH Terms

Fruit
Heating
Hot Temperature
Juniperus*
Magnets
Oils, Volatile
Oils, Volatile
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