Actividad antimicrobiana del extracto acetato de etilo y aceite esencial de corteza de laurelia sempervirens contra bacterias multirresistentes

Context: Laurelia sempervirens (R. et P.) Tul., is an evergreen tree that growths in southern Chile, its leaves and bark are used in folk medicine as an infusion. Objective: The antimicrobial activities of the essential oil and ethyl acetate extract obtained from the bark of Laurelia sempervirens were investigated. Materials and methods: Ethyl acetate extract and essential oil were analyzed by GC- mass and the antimicrobial activity was investigated against gram positive and gram negative bacteria. Results: The extract and essential oil showed a strong antimicrobial activity against bacteria such as Acinetobacter baumanii, a relevant world nosocomial pathogen Discussion and conclusion: These findings demonstrate that the ethyl acetate extract and essential oil of L.sempervirens bark have excellent antimicrobial activities and thus have great potential as a source for natural health products.