Journal
EUROPEAN JOURNAL OF WOOD AND WOOD PRODUCTS
Volume 71, Issue 5, Pages 679-682Publisher
SPRINGER
DOI: 10.1007/s00107-013-0715-2
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Oily constituents were obtained from sapwood and knots of Abies balsamea and A. alba using steam-distillation, and the chemical compositions were determined by gas chromatography and gas chromatography-mass spectrometry. The oily constituents of sapwood and knots of A. balsamea were mainly oxygenated diterpenes with manoyl oxide (1), epi-13-manoyl oxide (2), manool (3), and epi-13-manool (4). Moreover, 2 and 3 were found to be components in A. alba. The constituents of sound knots were dominated by oxygenated diterpenes, together with 2 and 3. Comparison of the content of oxygenated diterpenes from the material revealed that dead knots of A. balsamea contained a large quantity of 4, which was higher than in sapwood. Knots of both Abies spp. contained large quantities of oxygenated diterpenes that were also higher than in sapwood.
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