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Antimicrobial activity of the essential oil of myrcianthes myrcinoides (Kunth) grifo (myrtaceae) collected in the venezuelan andes

Abstract:

The essential oil of the aerial parts from Myrcianthes myrsinoides (Kunth) Grifo (Myrtaceae) was analyzed by gas chromatography and gas chromatogrphy-mass spectroscopy (GC/MS). Altogether 28 compounds representing 90.2% of the total of the essential oil were identified. The major constituentes were p-Terpinen-4-ol (32.22%), o-cymene (8.15%), spathulenol (7.59%) and caryophyllene oxide (7.14%). It was tested against Gram positive and Gram negative bacteria at different concentrations and presented an important effect against B. cereus (MIC 100-200 µg/mL; MBC 200 µg/mL); B. subtilis and S. epidermidis (MIC 200-400 µg/mL; MBC 800 µg/mL). This is the first report on the antibacterial activity of the essential oil of M. myrsinoides (Kunth) Grifo.