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Article

Essential Oils from Different Plant Parts of Eucalyptus cinerea F. Muell. ex Benth. (Myrtaceae) as a Source of 1,8-Cineole and Their Bioactivities

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Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Paraná, Campus Jardim Botânico, CEP 80210-170, Curitiba, Paraná, Brazil
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Graduação em Farmácia, Universidade Federal do Paraná, Campus Jardim Botânico, CEP 80210-170, Curitiba, Paraná, Brazil
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Departamento de Farmácia, Universidade Federal do Paraná, Campus Jardim Botânico, CEP 80210-170, Curitiba, Paraná, Brazil
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Programa de Pós-Graduação em Química, Universidade Federal do Paraná, Centro Politécnico, CEP 81531-990, Curitiba, Paraná, Brazil
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Author to whom correspondence should be addressed.
Pharmaceuticals 2011, 4(12), 1535-1550; https://doi.org/10.3390/ph4121535
Received: 3 November 2011 / Accepted: 15 November 2011 / Published: 25 November 2011
Eucalyptus cinerea, known as silver dollar tree, has few descriptions in traditional medicine. Chemical composition and antimicrobial properties of the essential oils of leaves, flowers and fruits, collected seasonally, were determined by GC/MS and disk diffusion/MIC, respectively. 1,8-Cineole was the main compound, particularly in fresh leaves—Spring (74.98%), dried leaves—Spring (85.32%), flowers—Winter (78.76%) and fruits—Winter (80.97%). Other compounds were found in the aerial parts in all seasons: α-pinene (2.41% to 10.13%), limonene (1.46% to 4.43%), α-terpineol (1.73% to 11.72%), and α-terpinyl acetate (3.04% to 20.44%). The essential oils showed antimicrobial activities against bacteria and yeasts, with the best results being found for the dried autumn and winter leaves oils (MIC < 0.39 mg/mL) against Streptococcus pyogenes. For the other tested microorganisms the following MIC results were found: Staphylococcus aureus—Dried leaves oil from summer (0.78 mg/mL), Pseudomonas aeruginosa—Flowers oil from autumn and fruits oil from winter (1.56 mg/mL) and Candida albicans—Flowers oil from autumn and fruits oils from winter and spring (0.78 mg/mL). View Full-Text
Keywords: Eucalyptus cinerea; essential oil; 1,8-cineole; seasonal variation; antimicrobial properties Eucalyptus cinerea; essential oil; 1,8-cineole; seasonal variation; antimicrobial properties
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MDPI and ACS Style

Silva, S.M.; Abe, S.Y.; Murakami, F.S.; Frensch, G.; Marques, F.A.; Nakashima, T. Essential Oils from Different Plant Parts of Eucalyptus cinerea F. Muell. ex Benth. (Myrtaceae) as a Source of 1,8-Cineole and Their Bioactivities. Pharmaceuticals 2011, 4, 1535-1550. https://doi.org/10.3390/ph4121535

AMA Style

Silva SM, Abe SY, Murakami FS, Frensch G, Marques FA, Nakashima T. Essential Oils from Different Plant Parts of Eucalyptus cinerea F. Muell. ex Benth. (Myrtaceae) as a Source of 1,8-Cineole and Their Bioactivities. Pharmaceuticals. 2011; 4(12):1535-1550. https://doi.org/10.3390/ph4121535

Chicago/Turabian Style

Silva, Sayonara Mendes, Simone Yae Abe, Fábio Seigi Murakami, Gustavo Frensch, Francisco A. Marques, and Tomoe Nakashima. 2011. "Essential Oils from Different Plant Parts of Eucalyptus cinerea F. Muell. ex Benth. (Myrtaceae) as a Source of 1,8-Cineole and Their Bioactivities" Pharmaceuticals 4, no. 12: 1535-1550. https://doi.org/10.3390/ph4121535

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