
pmid: 26880434
AbstractThe chemical composition of the essential oils obtained by hydrodistillation from the aerial parts of Globularia cordifolia L., G. meridionalis (Podp.) O.Schwarz, and G. punctata Lapeyr. was characterized by GC‐FID and GC/MS analyses. Among the 33 identified compounds, the most abundant present in all investigated samples were oct‐1‐en‐3‐ol (2.9–47.0%), 6‐(1,5‐dimethylhex‐4‐enyl)‐3‐methylcyclohex‐2‐enone (8.2–40.9%), and fukinanolid (7.4–31.6%). Multivariate statistical analyses (PCA and HCA) of the hitherto studied Globularia volatile compounds confirmed to some extent the assumed phylogenetic relationships of the Globularia species studied, including the close relationship between the morphologically similar species G. cordifolia and G. meridionalis, but also evidenced several discrepancies in the current classification of Globularia species.
Hierarchical cluster analysis (HCA), Principal Component Analysis, Globularia, Plantaginaceae, Plant Components, Aerial, Essential oil, Gas Chromatography-Mass Spectrometry, Chemotaxonomy, Principal component analysis (PCA), Multivariate Analysis, Globularia ; Essential oil ; Chemotaxonomy ; Principal component analysis (PCA) ; Hierarchical cluster analysis (HCA), Oils, Volatile, Cluster Analysis
Hierarchical cluster analysis (HCA), Principal Component Analysis, Globularia, Plantaginaceae, Plant Components, Aerial, Essential oil, Gas Chromatography-Mass Spectrometry, Chemotaxonomy, Principal component analysis (PCA), Multivariate Analysis, Globularia ; Essential oil ; Chemotaxonomy ; Principal component analysis (PCA) ; Hierarchical cluster analysis (HCA), Oils, Volatile, Cluster Analysis
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