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Variability in the Essential‐Oil Composition of Sideritis scardica Griseb . from Native Bulgarian Populations
Author(s) -
Trendafilova Antoaneta B.,
Todorova Milka N.,
Evstatieva Ljuba N.,
Antonova Daniela V.
Publication year - 2013
Publication title -
chemistry and biodiversity
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.427
H-Index - 70
eISSN - 1612-1880
pISSN - 1612-1872
DOI - 10.1002/cbdv.201200282
Subject(s) - chemistry , composition (language) , essential oil , chemical composition , phenylacetaldehyde , botany , food science , stereochemistry , organic chemistry , biology , philosophy , linguistics
The essential‐oil composition of six native populations of Sideritis scardica from Bulgaria was studied by GC‐FID and GC/MS analyses. Altogether, 37 components, representing 73.1 to 79.2% of the total oil content were identified. Among them, α ‐pinene (4.4–25.1%), β ‐pinene (2.8–18.0%), oct‐1‐en‐3‐ol (2.3–8.0%), phenylacetaldehyde (0.5–9.5%), β ‐bisabolene (1.3–11.0%), benzyl benzoate (1.1–14.3%), and m ‐camphorene ( 1 ; 0.3–12.4%) were the main compounds. All samples were characterized by low contents of oxygenated mono‐ and sesquiterpenes (≤1.6 and 2.3%, resp.). Principal component analysis (PCA) and cluster analysis (CA) showed a significant variability in the chemical composition of the studied samples as well as a correlation between the oil profiles and the ecological conditions of the natural habitats of S. scardica.