Composition and antimicrobial activity of Achillea clavennae L. essential oil |
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Authors: | Bezić Nada Skocibusić Mirjana Dunkić Valerija Radonić Ani |
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Affiliation: | University of Split, Faculty of Natural Science, Mathematics and Education, Department of Biology, Teslina 12, 21000 Split, Croatia. |
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Abstract: | The volatile constituents of Achillea clavennae L. (Asteraceae), rare plant of Europe, have been analysed using GC/MS. Twenty- five components making up 81.6% of the oil were characterized with camphor (29.5%), myrcene (5.5%), 1,8-cineole (5.3%), beta-caryophyllene (5.1%) and linalool (4.9%) being the major constituents. The essential oil was evaluated for antibacterial and antifungal activities. The screening of the antimicrobial activity of essential oil was conducted by a disc diffusion test against Gram-positive (Bacillus subtilis, Bacillus cereus, Staphylococcus aureus, Streptococcus faecalis), Gram-negative (Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Proteus mirabilis) and fungal organisms (Aspergillus niger, Aspergillus fumigatus, Candida albicans). The activity was more pronounced against Gram-negative and fungal organisms than against Gram-positive bacteria. A. clavennae oil was found to possess antimicrobial activity against Klebsiella pneumoniae, Pseudomonas aeruginosa and all fungal organisms. |
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Keywords: | Achillea clavennae L. essential oil GC/MS antimicrobial activity |
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