Evaluation of seasonal changes in chemical composition and antibacterial activity of Elyonurus muticus (sprengel) O. Kuntze (Gramineae)

Química Nova

Sônia C. Hess²  Marize T. L. P. Peres²  Ana L. Batista²  Janaína P. Rodrigues²  Soraia C. Tiviroli²  Luis G. L. Oliveira²  Cícero W. C. Santos²  Lis E. S. Fedel²  Sandra M. A. Crispim¹  Artur Smania Junior¹  Elza F. A. Smania¹  Adriana Flach¹  Suzan Pantaroto¹ 

[1] ,Universidade Federal de Mato Grosso do Sul Departamento de Hidráulica e Transportes Campo Grande MS ,Brasil

关键词: Elyonurus;    essential oil;    antibacterial activity;   

DOI  :  10.1590/S0100-40422007000200025

来源: SciELO

【 摘 要 】

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.

【 授权许可】

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