Journal of
Medicinal Plants Research

  • Abbreviation: J. Med. Plants Res.
  • Language: English
  • ISSN: 1996-0875
  • DOI: 10.5897/JMPR
  • Start Year: 2007
  • Published Articles: 3835

Full Length Research Paper

Chemical composition and antioxidant and antimicrobial activities of the essential oil from Teucrium polium geyrii (Labiatae)

Hammoudi Roukia1*, Hadj Mahammed Mahfoud1 and Ould El Hadj M. Didi2
1Biogeochemistry Laboratory in Desert Environments, Faculty of Science, Kasdi Merbah University, BP 511, 30000 Ouargla, Algeria. 2Protection Laboratory of Ecosystem in Arid and Semi-Arid, Faculty of Natural Sciences and Life Sciences and Earth and the Universe, Kasdi Merbah University, BP 511, 30000 Ouargla, Algeria.
Email: [email protected]

  •  Accepted: 09 May 2013
  •  Published: 25 May 2013

Abstract

The composition of the essential oil from Algerian Teucrium polium geyrii (Labiatae) plant was analysed by gas chromatography–mass spectrometry (GC-MS); 85 constituents (87.72% of the total oil) were identified. The main compounds were (11.18%) dl-Limonene, (10.02%) δ-cadinene and (9.15%) trans β-caryophyllene. The antimicrobial activity of the essential oil was evaluated against Staphylococcus aureus ATCC 27923, Escherichia coliATCC 25922, Pseudomonas aeruginosa ATCC 25853 and Candida albicans using disc diffusion method. The oil showed an efficient fungicidal activity against C. albicans. The antioxidant activity was determined by the 2,2-diphenyl-1-picrylhydrazyl (DPPHË™) and ferric reducing antioxidant power (FRAP) assays. The oil of T. polium geyrii plant exhibited noticeable scavenging effects in DPPH free radical scavenging and FRAP assays.

 

Key words: Teucrium polium geyrii, essential oil, labiatae, antimicrobial activity.

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