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Chemical characterization and antimicrobial activity of essential oils of salvia L. species Ciênc. Tecnol. Aliment.
Pierozan,Morgana Karen; Pauletti,Gabriel Fernandes; Rota,Luciana; Santos,Ana Cristina Atti dos; Lerin,Lindomar Alberto; di Luccio,Marco; Mossi,Altemir José; Atti-Serafini,Luciana; Cansian,Rogério Luis; Oliveira,José Vladimir.
In this work, the essential oils of S. officinalis, S. sclarea, S. lavandulifolia and S. triloba were chemically analyzed by gas chromatography coupled to a mass spectrometry detector (GC/MSD), and their antimicrobial activity was tested against 10 microorganisms using the disk diffusion method and the Minimum Inhibitory Concentration (MIC) technique. The following major compounds were identified in the essential oils: α - and β-thujone, camphor and 1,8-cineole, except in S. sclarea, where linalool, linalyl acetate and α-terpineol were the major constituents. The antimicrobial activity showed significant differences (p < 0.05) only when obtained by the MIC method. Gram-positive microorganisms presented larger sensitivity for the essential oils. The...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Salvia; Essential oils; Antimicrobial activity; Chemical characterization.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612009000400010
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Physico-chemical evaluation of Rosmarinus officinalis L. essential oils BABT
Atti-Santos,Ana Cristina; Rossato,Marcelo; Pauletti,Gabriel Fernandes; Rota,Luciana Duarte; Rech,Juarez Ciro; Pansera,Marcia Regina; Agostini,Fabiana; Serafini,Luciana Atti; Moyna,Patrick.
Nineteen samples of Rosmarinus officinalis were extracted by steam distillation in a pilot plant and evaluated in terms of chemical compositions and physico-chemical characteristics. The volatile oil yields ranged from 0.37% (1999 harvest) to 0.49% (1998 harvest). Twenty components were identified in the oils. The major components were alpha-pinene (40.55 to 45.10%), 1,8-cineole (17.40 to 19.35%), camphene (4.73 to 6.06%) and verbenone (2.32 to 3.86%). The physico-chemical parameters averaged 0.8887 g/cm³ for specific gravity, 1.4689 for refractive index, and +11.82° for optical rotation, and there were no significant variations in either the chemical or physico-chemical data in the different years.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Rosmarinus officinalis rosemary essential oil composition alpha-pinene 1; 8-cineole physico-chemical parameters.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132005000800020
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