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Research Article Open access CC BY 4.0

Integrated Chemical Analysis (GC/MS and ¹³C NMR) of the Essential Oil Extracted from Cleistopholis patens (Benth.) Engl. & Diels in Divo (Côte d’Ivoire): Composition and Bioactive Potential

Souleymane Bamba, Atsain-Allangba Marie Rosine, Ahou Gisèle Kouakou-Achié, N’Guetta Henri D’Abosso, Kouamé Raphaël Oussou

Asian Journal of Chemical Sciences · pp. 44–51 · Published 15 Nov 2025

10.9734/ajocs/2025/v15i6404

Abstract

The essential oil of Cleistopholis patens from Divo (Côte d’Ivoire) was obtained by steam distillation with a yield of 0.24 ± 0.01%. The main compounds identified by gas chromatography–mass spectrometry (GC/MS) and confirmed by ¹³C NMR were D-limonene (14.40%), β-thujene (12.36%), α-pinene (8.17%), β-pinene (7.56%), γ-terpinene (7.35%), terpinen-4-ol (7.05%), and caryophyllene (8.38%). These constituents exhibited strong antibacterial activity against the tested clinical strains, with antibacterial parameter values ranging from 3.125 to 6.25 mg/mL.

Gas chromatography–mass spectrometry clinical strains antibacterial

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