Abstract
The chemical composition of the hydro-distilled essential oils of Achillea millefolium and Achillea crithmifolia was analyzed by GC, GC–MS, 13C NMR and high resolution LC–MS. For the first time, the use of the combination of different chromatographic and spectral methods, primarily the advantage of LC-Orbitrap over standard methods, enabled the detection of azulenes and their progenitors, in minute quantities, in previously believed proazulene free Achillea taxon (A. crithmifolia). Furthermore, the LC-Orbitrap hyphenated method provided the means for detection of these and related non-volatile (GC-injector compared to water steam distillation) metabolites up to know unreported as essential oil constituents.
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The financial support of this work by the Ministry of Science and Technological Development of Serbia is gratefully acknowledged (142054B).
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Smelcerovic, A., Lamshoeft, M., Radulovic, N. et al. LC–MS Analysis of the Essential Oils of Achillea millefolium and Achillea crithmifolia . Chroma 71, 113–116 (2010). https://doi.org/10.1365/s10337-009-1393-4
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DOI: https://doi.org/10.1365/s10337-009-1393-4