Chemical composition, Antimicrobial activity and chromosome number of Urospermum dalechampii from Algeria
Journal Title: Scholars Academic Journal of Pharmacy - Year 2014, Vol 3, Issue 6
Abstract
The chemical composition of essential oil, isolated from Urospermum dalechampii by hydrodistillation, was analysed by GC and GC/MS. A total 26 compounds representing 97.82% of the oil were identified in Amouchas population. This oil is Characterized by a high rate of palmitic acid (24.3%), henecosane (10.1%), 2-methyl-Z,Z-3,13-octadecadienol (7.1%), tricosane (6.73%), dill apiole (5.25%), myristic acid (4.8%), myristicin (4.7%), 2-pentadenanone-6,10,14-trimethyl (4.4%), lauric acid (3.9%), elemicin (3.3%). Other major compounds are present in the essential oils of this species, isobutyl phlatate, caryophyllene oxide, epicubenol-1, β-guaiene, α-bisabolol and 3,7-dimethyl-octa-1,6-diene. To test the antibacterial activity of essential oil of U. dalechampii, eleven bacteria are used in this study. The oil showed a significant effect against Gram-negative bacteria, and modest antibacterial activity against Gram-positive bacteria. The population of U. dalechampii studied showed a diploid chromosome number with 2n = 2x = 14, and a basic chromosome number x = 7. Keywords: Urospermum dalechampii, Essential oil, antibacterial activity, Chromosome, Algeria
Authors and Affiliations
Messaoud Ramdani, Takia Lograda, Pierre Chalard, Gilles Figueredo, Heythem Laidoudi, Abdelkader Ounoughi
Keywords
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