CHEMICAL AND ANTIMICROBIAL PROPERTIES OF ESSENTIAL OILS OF ABIES NUMIDICA, ENDEMIC SPECIES OF ALGERIA

The analysis and identification of the essential oils components of Abies numidica, endemic species of Algeria, was performed using the (GC-MS). The yield of essential oil samples is 0.4%. These analyses led to the identification of 36 components representing 95.5% of the total oil. The chemical composition of the essential oil is dominated by the products, α-pinene (22.6%), Limonene (19.7%), β-pinene (12.3%), Camphene (11.2%) and β-phellandrene (7.8%). Seven components are represented with a higher rate than 1%. The essential oil has a very effective antibacterial activity against bacterial strains Bacillus cereus, Escherichia coli and Enterococcus faecalis, a modest activity against Staphylococcus aureus, S. epidermidis and Micrococcus luteus and low activity against Klebsiella pneumoniae. The action of the oil is very strong on the yeast Saccharomyces cerevisiae with a diameter inhibition of 27.7 mm.