Essential-Oil Variability in Natural Populations of Pinus mugo Turra from the Julian Alps

Chemistry & Biodiversity
Srdjan BojovićDušan Jurc

Abstract

The composition and variability of the terpenes and their derivatives isolated from the needles of a representative pool of 114 adult trees originating from four natural populations of dwarf mountain pine (Pinus mugo Turra) from the Julian Alps were investigated by GC-FID and GC/MS analyses. In total, 54 of the 57 detected essential-oil components were identified. Among the different compound classes present in the essential oils, the chief constituents belonged to the monoterpenes, comprising an average content of 79.67% of the total oil composition (74.80% of monoterpene hydrocarbons and 4.87% of oxygenated monoterpenes). Sesquiterpenes were present in smaller amounts (average content of 19.02%), out of which 16.39% were sesquiterpene hydrocarbons and 2.62% oxygenated sesquiterpenes. The most abundant components in the needle essential oils were the monoterpenes δ-car-3-ene, β-phellandrene, α-pinene, β-myrcene, and β-pinene and the sesquiterpene β-caryophyllene. From the total data set of 57 detected compounds, 40 were selected for principal-component analysis (PCA), discriminant analysis (DA), and cluster analysis (CA). The overlap tendency of the four populations suggested by PCA, was as well observed by DA. CA also demonst...Continue Reading

References

Aug 24, 2010·Chemistry & Biodiversity·Antonia DardiotiStella Kokkini
Mar 29, 2011·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Samir Ait SaidJean-Philippe Mevy
Sep 17, 2011·Chemistry & Biodiversity·Srdjan BojovićDragana Dražić
Jul 22, 2014·Chemistry & Biodiversity·Luz María Calvo-IrabiénLuis Manuel Peña-Rodríguez

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