Journal of the Serbian Chemical Society 2010 Volume 75, Issue 2, Pages: 209-215
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Chemical composition of Rhododendron aureum (Gold rosebay) essential oil from Pribaikal'e (Russian Federation)

Olennikov Daniil N., Dudareva Lubov' V., Osipenko Semion N., Penzina Tat'yana A.

The essential oils from five samples of leaves of Rhododendron aureum from the Irkutsk region, Pribaikal'e, Russian Federation, were isolated by hydrodistillation and analyzed by a combination of GC and GC/MS. Compounds representing 70.5-78.3 % of the oils were identified. Twenty-seven compounds were identified according to their chromatographic retention indices and mass spectra. The major components of the oils were calarene (10.4- -66.4 %), β-bourbonene (0.5-27.4 %), α-selinene (2.1-8.0 %) and kaur-16-ene (2.0-6.3 %). It was found that the chemical composition of Rh. aureum essential oil depends on the altitude of the growing plants.

Keywords: Rhododendron aureum, gold rosebay, essential oil, calarene

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