Qualitative (GC-MS) and quantitative (GC-FID) analyses of the essential oil (EO) isolated from the leaves of Cupressus macrocarpa revealed the presence of fifteen components, and representing 86.43% of the total oil composition. Their identification was based on their retention times and mass spectral fragmentation patterns. α-terpineol (19.01%), camphenilone (9.78%), elemol (8.92%), 2-tridecanone (8.75%), α-terpinyl acetate (8.62%), 2-pentyl-2-cyclopenten-1-one (6.90%) and β-bisabolol (5.83%) represent major components. Agar diffusion method was conducted to test the antimicrobial activity of the EO against eight pathogenic strains, including gram positive (+ve) and negative (-ve) bacteria and fungi. The obtained results showed inhibition zones with 10.5-21mm diameters, compared to Streptomycin and Nystatin.
Saad AM, Mohammed MMD, Ghareeb MA, Ahmed WS, Farid MA. Chemical Composition and Antimicrobial Activity of the Essential Oil of the Leaves of Cupressus macrocarpa Hartweg. ex Gordon. J App Pharm Sci, 2017; 7 (09): 207-212.
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