Analysis of terpenoic composition of conifer needle oils by steam distillation/extraction,gas chromatography and gas chromatography-mass spectrometry |
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Authors: | A Orav T Kailas M Liiv |
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Institution: | (1) Institute of Chemistry, Akadeemia tee 15, EE0026 Tallinn, Estonia |
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Abstract: | Summary The essential oils of Estonian spruce and pine needles have been analysed by a combination of steam distillation/extraction, GC and GC-MS. According to their monoterpene composition Estonian pines belong to a high carene chemotype with monoterpenes representing up to 85% of total oil. Estonian spruce needle oil contains up to 70% of oxygenated terpenes and more limonene and 1,8-cineole than the same spruce species Picea abies (L.) Karst.] from other localities.A total of 60 components were identified. Coefficients of variation describe the range of component contents in individual trees within the population. |
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Keywords: | Pinus silvestris Picea abies Needle oils SDE HRGC GC-MS Terpenoic composition Retention indices |
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