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|Type:||Artigo de periódico|
|Title:||Chemical Composition, Seasonal Variation and Evaluation of Antimicrobial Activity of Essential Oils of Talauma ovata A. St. Hil. (Magnoliaceae)|
|Author:||STEFANELLO, Maria Elida A.|
SALVADOR, Marcos J.
ITO, Izabel Y.
WISNIEWSKI JR., Alberto
SIMIONATTO, Edesio L.
MELLO-SILVA, Renato de
|Abstract:||The essential oils isolated by hydrodistillation from trunk bark and leaves of Talauma ovata A. St. Hil. (Magnoliaceae), collected in four seasons, were analyzed by capillary GC and GC/MS. Altogether 52 components were identified, The oils were characterized by predominance of cyclic sesquiterpenes. The main components were linalool, trans-beta-guaiene, germaerene D, germacrene B, spathulenol, caryophyllene oxide, viridiflorol and alpha-endesmol. The content of individual components was variable during the year. All oils were screened against several strains of bacteria and yeasts, using the agar well-diffusion technique. The antimicrobial activity of oils showed strong dependence with the season. Significant activity was found for oils obtained in the spring and summer.|
essential oil composition
|Editor:||ALLURED PUBL CORP|
|Citation:||JOURNAL OF ESSENTIAL OIL RESEARCH, v.20, n.6, p.565-569, 2008|
|Appears in Collections:||IB - Artigos e Materiais de Revistas Científicas|
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