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Molecules 2009, 14(6), 2077-2086; doi:10.3390/molecules14062077
Article

Chemical Composition of the Essential Oils of the Flowers, Leaves and Stems of Two Senecio polyanthemoides Sch. Bip. Samples from South Africa

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Received: 14 April 2009 / Revised: 26 May 2009 / Accepted: 5 June 2009 / Published: 9 June 2009
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Abstract

The essential oils of the flowers, leaves and stems of Senecio polyanthemoides Sch. Bip. Samples collected from two different localities within the city of uMhlathuze, KwaZulu-Natal Province (South Africa) were isolated by hydrodistillation and analyzed using GC and GC/MS. Twenty-six constituents were identified, representing an average of 86.0 - 99.6% of the total oil composition. The chemical profile reveals the dominance of monoterpenoid compounds, although some quantitative variance was noticed. The main constituents of the oils were limonene (3.1 – 43.0%), p-cymene (4.9-36.3%), β-selinene (1.3-32.7%), α-pinene (1.8-21.4%), β-pinene (7.6-16.5%) and 1,8-cineole (9.3-11.4%), caryophyllene oxide (4.1-13.4%) and humulene epoxide II (8.6-10.3%).
Keywords: Senecio polyanthemoides Sch. Bip.; asteraceae; essential oil composition Senecio polyanthemoides Sch. Bip.; asteraceae; essential oil composition
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Oladipupo, L.A.; Adebola, O.O. Chemical Composition of the Essential Oils of the Flowers, Leaves and Stems of Two Senecio polyanthemoides Sch. Bip. Samples from South Africa. Molecules 2009, 14, 2077-2086.

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