Abstract
: “Andriambolamena” is an aromatic plant of the Croton genus, growing wild in Madagascar. The chemical composition of the essential oil isolated from aerial parts is reported for the first time. Analysis has been carried out by combination of chromatographic (CC, GC) and spectroscopic (MS, 13C NMR) techniques. In total, 63 compounds that accounted for 96.6 % of the whole composition have been identified. Essential oil composition was dominated by monoterpenes, limonene (21.6 %) and β-pinene (11.0 %) being the major components, beside 1,8-cineole (8.7 %) and linalool (5.9 %). (E)-β-Caryophyllene (8.1 %) was the main sesquiterpene hydrocarbon while oxygenated sesquiterpenes were mainly represented by epi-α-bisabolol (2.6 %). The combination of chromatographic [CC, GC(RI)] and spectroscopic techniques (GC-MS and 13C NMR) appeared really useful for the identification of minor oxygenated sesquiterpenes and particularly compounds that co-eluted on the chromatographic column and diastereo isomers that exhibited insufficiently differentiated mass spectra and close retention indices.
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