AI Article Synopsis
- - Conium divaricatum is visually different from its European counterpart, Conium maculatum, but is often debated as being the same species.
- - A comparative study of essential oils showed that C. divaricatum contains unique hydrocarbon esters, while C. maculatum has higher levels of alkanes, alkenes, and ketones.
- - Despite similar alkaloid levels and toxicity in testing, the differences in chemical makeup and appearance indicate that these plants should be classified as separate species.
Article Abstract
Conium divaricatum, even though exhibiting morphological differences in comparison to its congener of European origin Conium maculatum, is still considered a disputed taxon often referred to as a synonym of the latter. Herein, essential oils of various plant tissues from several populations of both taxa were comparatively investigated, showing distinct chemical profiles. In the case of C. divaricatum, the essential oils were dominated by hydrocarbon esters, among which the main constituents 4'-oxodecyl hexanoate, 4'-oxododecyl hexanoate and 4'-oxooctyl hexanoate were isolated and identified as undescribed natural products. In contrast, the essential oils of C. maculatum were dominated by hydrocarbon alkanes, alkenes and ketones, as well as the polyacetylene (Z)-falcarinol. Even though determination of the total alkaloids content and toxicity assessment against the crustacean Artemia salina did not reveal significant differences, the distinct chemical profiles and the morphological differences observed for both taxa, strongly support their distinction as separate species.
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| http://dx.doi.org/10.1016/j.phytochem.2021.113060 | DOI Listing |
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