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Title: Chemical composition and biological activity of the essential oil of Baccharis obtusifolia Kunth from Loja, Ecuador
Authors: Cartuche Flores, L.
Morocho Zaragocin, S.
Ojeda Riascos, E.
Valarezo Valdez, B.
Gonzalez Perez, S.
Guaya Caraguay, D.
Armijos Riofrio, C.
Keywords: antibacterial activity and antifungal activity
Baccharis obtusifolia
Trichophyton mentagrophytes
Trichophyton rubrum 2014-01-09
Issue Date: 2015-01-01
Publisher: Journal of Essential Oil Research
Abstract: The essential oil of aerial parts from Baccharis obtusifolia (Asteraceae) growing wild in Ecuador was obtained by hydrodistillation and examined by gas chromatography�mass spectrometry (GC�MS and GC�flame ionization detector (GC�FID) analysis. Thirty-one individual compounds were identified and constitute 96.1% of the total composition of the oil. The main constituents of the oil were limonene (28.3%), germacrene-D (9.8%), ?-pinene (9.0%), ?-pinene (8.2%), bicyclogermacrene (6.2%) and ?-cadinene (5.7%). The essential oil showed significant antibacterial and antifungal activity. Baccharis obtusifolia oil exhibited a moderate antibacterial effect against Klebsiella pneumoniae (ATCC 9997) and Enterococcus faecalis (ATCC 29212), and good antifungal activity against Trichophyton rubrum (ATCC 28188) and Trichophyton mentagrophytes (ATCC 28185). In this study, the chemical composition and biological activity of the essential oil of B.�obtusifolia (Asteraceae) are reported for the first time.
metadata.dc.identifier.other: 10.1080/10412905.2015.1007217
ISBN: 10412905
Other Identifiers: 10.1080/10412905.2015.1007217
Other Identifiers: 10.1080/10412905.2015.1007217
metadata.dc.language: Inglés
metadata.dc.type: Article
Appears in Collections:Artículos de revistas Científicas

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