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  • Title: Composition and antimicrobial activity of the essential oil of Peumus boldus leaves.
    Author: Vila R, Valenzuela L, Bello H, Cañigueral S, Montes M, Adzet T.
    Journal: Planta Med; 1999 Mar; 65(2):178-9. PubMed ID: 10193210.
    Abstract:
    The composition and the antimicrobial activity of the essential oil from the leaves of Peumus boldus is investigated. Analyses of the oil obtained by hydrodistillation were carried out by GC and GC-MS using columns of two different stationary phases. Fractionation of the essential oil by column chromatography on silica gel was performed to improve identification of some constituents. More than 90% of the total oil (46 components) was identified, major constituents being monoterpenes (90.5%), among which limonene (17.0%), p-cymene (13.6%), 1.8-cineole (11.8%), and beta-phellandrene (8.4%) reached the highest percentages. Determination of the minimal bactericidal or fungicidal concentration against several microorganisms showed interesting activities towards Streptococcus pyogenes, Micrococcus sp., and Candida sp.
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