Abstract
ABSTRACT The composition of the oil isolated by steam distillation from wood of the Brazilian tree Phoebe porosa Mez. (Lauraceae) was determined by capillary GC/MS. Eighty-one components were distinguished, of which the major ones were α-copaene (6.25%), δ-cadinene (3.28%), β-eudesmol (6.86%), valerianol (7.55%) and α-bisabolol (3.33%). There were five unidentified sesquiterpene hydrocarbons and ten unidentified oxygenated hydrocarbons, including seven alcohols, which together made up 21.6% of the whole oil. The previously described oreodaphnenol was not recognized among the components.
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