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|metadata.artigo.dc.title:||Chemical analyses of the essential oils from leaves of Mikania glauca Mart. ex Bake|
|metadata.artigo.dc.creator:||Guimarães, Luiz Gustavo de L.|
Cardoso, Maria das G.
Silva, Lucilene F.
Gomes, Marcos de S.
Andrade, Milene A.
Souza, Josefina A. de
Miranda, Cintia A.S.F. de
Machado, Samísia M. F.
Figueiredo, A. Cristina
Barroso, José G.
Mansanares, Mariana E.
Nelson, David Lee
|metadata.artigo.dc.publisher:||Taylor & Francis Online|
|metadata.artigo.dc.identifier.citation:||GUIMARÃES, L. G. de L. et al. Chemical analyses of the essential oils from leaves of Mikania glauca Mart. ex Baker. Journal of Essential Oil Research, [S.l.], v. 24, n. 6, 2012.|
|metadata.artigo.dc.description.abstract:||The essential oils obtained by hydrodistillation of two samples of fresh Mikania glauca leaves collected in different periods were analyzed by gas chromatography (GC) and by GC–mass spectrometry (GC–MS). Twenty compounds, representing 99% of the total oil composition, were identified and quantified in sample 1, while forty-five compounds, also representing 99% of the total oil composition, were identified in sample 2. The essential oils from the fresh leaves of both samples were rich in the terpenes. In sample 1 and 2, respectively, α-pinene (27% and 26%), β-pinene (22% and 36%), myrcene (24% and 18%), β-caryophyllene (9% and 6%) and bicyclogermacrene (8% and 4%) were the principal constituents. This demonstrated the predominance of monoterpene hydrocarbons in the essential oil of M. glauca and the influence of the collection period on the concentrations of the components.|
|Appears in Collections:||DQI - Artigos publicados em periódicos|
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