Phythochemical screening and antimicrobial activity phythochemical of essential oil from Lippia gracillis
- Vanessa Bitu
- Marco Antônio Botelho
- José G. M. da Costa
- Fabiola F. G. Rodrigues
- Helenicy N. H. Veras
- Karine T. Martins
- Aarão Lyra
- Giselle Gasparino Coluchi
- Ronaldo Sousa Ruela
- Dinalva Brito Queiroz
- Jullyana de Souza Siqueira
- Lucindo J. Quintans-Junior
DOIAbstract
The chemical composition of the essential oil obtained from the fresh and dried leaves of Lippia gracillis Schauer, Verbenaceae, was analyzed by gas chromatography and gas chromatography/mass spectrometry (GC⁄MS). The yield of essential oil extracted from the dried leaves was significantly higher (p<0.05) when compared to the fresh leaves. Seventeen components were identified. The monoterpenes and sesquiterpene hydrocarbons with 96.26% (w/w) of the total oil obtained of fresh leaves and 86.99% (w/w) of the total oil obtained of dried leaves were the principal compound groups. Thymol was observed dominant (44.42%; 21.3%), followed by carvacrol (22.21%; 21.30%), p-cymene (6.23%; 8.58%), α-pinene (5.65%; 19.42%), β-caryophyllene (5.61%; 3.57%)...
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