Scholars Research Library

Scholars Research Library

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Der Pharmacia Lettre

Abstract

Chemical composition, antioxidant and antimicrobial activities of the essential oil of Pulicaria arabica (L.) Cass

Author(s): Nadia Djermane, Noureddine Gherraf, Rabah Arhab, Ammar Zellagui and Khellaf Rebbas

Volatile components of the aerial parts of Pulicaria arabica have been studied by gas chromatography–mass spectrometry to afford 24 compounds representing 99.99 % of the crude oil. The major components were found to be Bicyclo (4.4.0) Dec-1-ene, 2-Isopropyl-5-methyl-9-methylene (17.23%), α- cadinene (13.0 %), 1H-Indene , 1- ethylideneoctahydro (13.24%), β-Bourbonene (7.34 %), and α-Muurolene (5.94%). The antimicrobial activities of the essential oils were evaluated by disk diffusion method and tested against 11 strain Gram-positive and Gramnegative bacteria and revealed an average antibacterial activity. In vitro antioxidant activity of the essential oils was carried out using DPPH (1,1-diphenyl-2 picrylhydrazyl) radical scavenging assay. The results indicated a moderate capacity.


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