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Nine samples of Xylopia rubescens Oliv. (Annonaceae) trunk bark oil have been analyzed by combination of GC(RI) and  13 C NMR. The contents of the major components varied substantially from sample to sample: (8 Z,11 Z,14 Z)-heptadeca-8,11–14-trien-2-one (14.7–33.0%), furanoguaia-1,4-diene (0–36.8%) and β-pinene (0.9–29.0%). The content of a few components reached punctually an appreciable amount: α-pinene (up to 10.7%), germacrene D (up to 12.0%), bicyclogermacrene (up to 10.0%) and spathulenol (up to 10.0%). X. rubescens trunk bark oil displayed a fair chemical variability.

Composition and Chemical Variability of Ivorian Xylopia rubescens Trunk Bark Oil