The Essential Oil Composition of Eryngium galioides Lam.—An Endemic Species of the Iberian Peninsula

The Eryngium L. genus belongs to the Apiaceae family and, with about 250 species, has a cosmopolitan distribution. Only fourteen of the twenty-six species described in Flora Europaea grow in the Iberian Peninsula. One of these is Eryngium galioides Lam., a small annual plant (2–30 cm) that grows in...

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Bibliographic Details
Published in:Separations 2024-06, Vol.11 (6), p.172
Main Authors: Palá-Paúl, Jesús, Abad-Calderón, Rubén, Pérez-Alonso, María José, Brophy, Joseph J, Soria, Ana C
Format: Article
Language:English
Subjects:
Altitude
Apiaceae
Chemical composition
Chromatography
Distillation
Eryngium
Eryngium galioides
essential oil
Essential oils
Gas chromatography
Leaves
Mass spectrometry
Oils & fats
valencene and phyllocladene isomer
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Summary:The Eryngium L. genus belongs to the Apiaceae family and, with about 250 species, has a cosmopolitan distribution. Only fourteen of the twenty-six species described in Flora Europaea grow in the Iberian Peninsula. One of these is Eryngium galioides Lam., a small annual plant (2–30 cm) that grows in open dry places in the mid-west of the Iberian Peninsula. For this study, the whole plant (aerial parts and roots) of this species was gathered in Guadalajara (Spain). The essential oil of this population was extracted by hydro-distillation and analyzed by gas chromatography (GC) and gas chromatography coupled to mass spectrometry (GC-MS). It is worth noting that this species gave rise to a relatively high essential oil yield (0.48%) in comparison with other species of this genus. E. galioides oil consisted of a complex mixture of more than 70 compounds. The main constituents of this oil were identified as valencene (49.7%) and a phyllocladene isomer (23.7%), both representing more than the 70% of the total oil. Other representative compounds of this oil were found to be β-chamigrene (6.0%), γ-muurolene (3.4%), (E)-caryophyllene (3.0%) and β-elemene (1.6%). As far as we know, this is the first report about the chemical composition of E. galioides essential oils. With this work, we contribute to the knowledge of this genus and provide a chemical and botanical basis to promote the in vitro cultivation of E. galioides as a source of essential oils rich in bio-actives for application in different fields.
ISSN:2297-8739
DOI:10.3390/separations11060172