Chemical Composition and Antimicrobial Activity ofAmbrosia artemisiifoliaL. Essential Oil

Abstract
Chemical analysis and antimicrobial activity of essential oil isolated by steam distillation from Ambrosia artemisiifolia L., Asteraceae dried flowering herb were performed. Principal constituents were germacrene D (24.1%), limonene (16.83%), α-pinene (8.0%) and myrcene (7.4%). A significant bactericidal and fungicidal activity was observed against all microorganisms tested.