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Eryngium foetidum L. - Apiaceae - culantro, Mexican coriander, long coriander, Stinkdistel
Biennial herb, up to 40cm high, native to Central America, the Caribbean and northern South America. „… now a widespread weed in tropical and subtropical regions. The leaves are used as a flavoring (similar to Coriandrum sativum), and the species has reputed medicinal value.“
http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200015526
„The essential oil of coriander leaves (Coriandrum sativum) and wild coriander leaves (Eryngium foetidum) grown in Fiji was obtained by steam distillation. The aroma profiles were characterised using gas chromatography-olfactometry (GCO) and CharmAnalysisTM. The character-impact odorants were identified using comprehensive two-dimensional gas chromatography (GC×GC) combined with time-of-flight mass spectrometry (TOFMS). During GCO analysis, the co-elution of E-2-alkenals and E-2-alken-1-ols resulted in the perception of ‘odour-clusters’… The most abundant compound in E. foetidum was E-2-dodecenal (63.5% TIC), which also contributed the most odour activity (52.9%). Other important odorants were either eugenol or a trimethylbenzaldehyde isomer, β-ionone, Z-4-dodecenal, dodecanal, and E-2-tetradecenal. GC×GC–TOFMS allowed the identification of… 20 compounds not previously reported in the literature for… E. foetidum… In particular, β-ionone was determined to be an important odorant in both samples but could not be identified with GC–qMS.“
[Identification of character‐impact odorants in coriander and wild coriander leaves using gas chromatography‐olfactometry (GCO) and comprehensive two‐dimensional gas chromatography–time‐of‐flight mass spectrometry (GC× GC–TOFMS)., Eyres, G., Dufour, J. P., Hallifax, G., Sotheeswaran, S., Marriott, P. J., Journal of separation science, Vol.28(9‐10), 2005, 1061-1074]