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  • Title: Chemical variability of the leaf essential oil of Xylopia aethiopica (Dunal) A.Rich. from Côte d'Ivoire.
    Author: Yapi TA, Boti JB, Ahibo CA, Bighelli A, Castola V, Casanova J, Tomi F.
    Journal: Chem Biodivers; 2012 Dec; 9(12):2802-9. PubMed ID: 23255449.
    Abstract:
    The chemical composition of 48 essential-oil samples isolated from the leaves of Xylopia aethiopica harvested in six Ivoirian forests was investigated by GC-FID and (13) C-NMR analyses. In total, 23 components accounting for 82.5-96.1% of the oil composition were identified. The composition was dominated by the monoterpene hydrocarbons β-pinene (up to 61.1%) and α-pinene (up to 18.6%) and the sesquiterpene hydrocarbon germacrene D (up to 28.7%). Hierarchical cluster and principal component analyses allowed the distinction of two groups on the basis of the β-pinene and germacrene D contents. The chemical composition of the oils of Group I (38 oil samples) was clearly dominated by β-pinene, while those of Group II (10 samples) were characterized by the association of β-pinene and germacrene D. The leaves collected in the four inland forests produced β-pinene-rich oils (Group I), while the oil samples belonging to Group II were isolated from leaves harvested in forests located near the littoral.
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