Identification of essential oil composition of Four Picea Mill. (Pinaceae) species from Canada
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The aim of this study was to determine the volatile composition of essential oil of four Picea Mill. species (Picea pungens Engelm., Picea mariana (Mill.) Britton, Picea glauca (Moench) Voss., Picea rubens Sarg.) needles. The volatile components extracted from these four species needles were analyzed by using headspace solid phase microextraction (HS-SPME)/gas chromatography-mass spectrum (GC-MS) and 31, 34, 27 and 24 compounds were identified representing 91.77%, 92.70% 92.38% and 94.06% of the total oil, respectively. The major constituents were found to be bornylacetate (29.40%), camphor (26.43%), -myrcene (7.47%) and camphene (7.01%) in P. pungens; camphene (22.03%), bornylacetate (21.64%), -pinene (16.62%) and borneol (7.79%) in P. mariana; bornylacetate (31.25%), limonene (17.27%), -pinene (15.85%); and camphene (13.65%) in P. glauca and borneol (12.38%),-pinene (10.36%), germacrene D (9.86%) and -cadinene (8.25%) in P. rubens. This study sought to detecte new phytochemical data on the Picea genus to help chemotaxonomy and usable of studied species
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