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Chemical Composition and Antibacterial activity of Essential oil of Ocimum basilicum of Northern Ethiopia

Author Affiliations

  • 1Department of Chemistry, Mekelle University, ETHIOPIA
  • 2 Department of Chemistry, Karpagam University, Coimbatore, INDIA

Int. Res. J. Biological Sci., Volume 2, Issue (9), Pages 1-4, September,10 (2013)

Abstract

The constituents of essential oil isolated by hydro distillation of the aerial parts of Ocimum basilicum L, Lamiaceae family, from Ethiopia was examined by GC-MS. A total of 30 components were identified accounting for 76.7% of the oil of O.basilicum. The oil contained, as main components, copaene (25.5%), p-menth-2-en-1-ol (7.7%), eugenylacetae (4.8%), bornyl acetate (4.0%), – himachalene (3.6%), rosifoliol (3.0%) and –cubebene(2.5%). The essential oil of O.basilicum showed significant anti bacterial activity against gram positive (Staphylococcus auerus) than gram negative bacteria (Escherichia coli).

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