Abstract
Hydrodistillation of Cedrus atlantica wood yielded an essential oil (2.78% v/w) contained E-α-atlantone (28.75%), β-himachalene (14.62%), himachalol (7.11%), α-himachalene (5.72%), Z-α-atlantone (5.16%), γ-himachalene (4.82%), deodarone (4.42%), isocedranol (3.52%) and 1-epicubenol (2.71%) as major constituents. The fractional distillation of this wood give four fractions: the first rich of alcohols (26.40%) and ketones (32.74%), the second characterized by ketones (38.73%), sesquiterpene (25.79%) and terpenic alcohols (15.01%), the third and fourth predominated by ketones (42.16% and 44.38%) and sesquiterpenes (27.75% and 27.97%). A biotest carried out with crude essential oil and its fractions showed an antimicrobial activity mainly observed in those fractions rich of terpenols. This essential oil could be considered as a natural antibacterial and insecticide source.
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