Chemical composition and antibacterial activity of essential oils of Eugenia species

被引:0
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作者
Michele D. A. Magina
Eduardo M. Dalmarco
Alberto Wisniewski
Edesio L. Simionatto
Juliana B. Dalmarco
Moacir G. Pizzolatti
Inês M. C. Brighente
机构
[1] Universidade Regional de Blumenau,Departamento de Ciências Farmacêuticas
[2] Laboratório de Cromatografia,Departamento de Química
[3] Universidade Regional de Blumenau (FURB),Laboratório de Química de Produtos Naturais, Departamento de Química
[4] Universidade Regional de Blumenau,undefined
[5] Universidade Federal de Santa Catarina,undefined
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Essential oils; Antibacterial activity;
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摘要
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.
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页码:345 / 350
页数:5
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