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|Type:||Artigo de periódico|
|Title:||Evaluation of seasonal changes in chemical composition and antibacterial activity of Elyonurus muticus (sprengel) O. Kuntze (Gramineae)|
|Author:||Hess, Sônia C.|
Peres, Marize T. L. P.
Batista, Ana L.
Rodrigues, Janaína P.
Tiviroli, Soraia C.
Oliveira, Luis G. L.
Santos, Cícero W. C.
Fedel, Lis E. S.
Crispim, Sandra M. A.
Smania Junior, Artur
Smania, Elza F. A.
|Abstract:||Aerial parts of Elyonurus muticus were collected in the four seasons of the year in the Brazilian Pantanal and subjected to extractrion with cold ethanol and to hydrodistillation. Sesquiterpenoids (E)-caryophyllene, bicyclogermacrene, spathulenol and caryophyllene oxide were the main components identified in the essential oils and their concentrations varied according to the plant collection period. The essential oils and the ethanolic crude extracts were active against Bacillus cereus MIP 96016, Pseudomonas aeruginosa ATCC 27853 and Staphylococcus aureus ATCC 25923 and were not active against Escherichia coli ATCC 25922. The antibacterial activities varied according to the plant collection period.|
|Editor:||Sociedade Brasileira de Química|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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