Chemical composition and antibacterial activity of essential oils of Eugenia species
- 24 March 2009
- journal article
- Published by Springer Science and Business Media LLC in Journal of Natural Medicines
- Vol. 63 (3), 345-350
- https://doi.org/10.1007/s11418-009-0329-5
Abstract
The essential oils of the leaves of Eugenia brasiliensis, Eugenia beaurepaireana, and Eugenia umbelliflora were analyzed by GC–MS. The major compounds found in the oil of E. brasiliensis were spathulenol (12.6%) and τ-cadinol (8.7%), of E. beaurepaireana were β-caryophyllene (8.0%) and bicyclogermacrene (7.2%), and of E. umbelliflora were viridiflorol (17.7%) and β-pinene (13.2%). These oils were assayed to determine their antibacterial activity against Staphylococcus aureus, Pseudomonas aeruginosa, and Escherichia coli. All of the oils analyzed showed antibacterial activity, ranging from moderate to strong, which was most accentuated for the E. umbelliflora and E. brasiliensis oils, which strongly inhibited the growth of S. aureus giving values of MIC = 119.2 and 156.2 μg/mL, respectively.Keywords
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