Investigation of chemical constituents of Eranthis longistipitata (Ranunculaceae): coumarins and furochromones

doi:10.3390/ijms23010406

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DOI Доступ к ресурсу на сайте издателя			10.3390/ijms23010406

Title: Investigation of chemical constituents of Eranthis longistipitata (Ranunculaceae): coumarins and furochromones
Creator: Erst, Andrey S.
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Chernonosov, Alexander A.
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Petrova, Natalia V.
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Kulikovskiy, Maxim S.
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Maltseva, Svetlana Yu.
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Wang, Wei
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Kostikova, Vera A.
Date: 2022
DOI: 10.3390/ijms23010406
Description: Aqueous‐ethanol extracts (70%) from the leaves of Eranthis longistipitata Regel. (Ranunculaceae Juss.)—collected from natural populations of Kyrgyzstan—were studied by liquid chromatography with high‐resolution mass spectrometry (LC‐HRMS). There was no variation of the metabolic profiles among plants that were collected from different populations. More than 160 compounds were found in the leaves, of which 72 were identified to the class level and 58 to the individual‐ compound level. The class of flavonoids proved to be the most widely represented (19 compounds), including six aglycones [quercetin, kaempferol, aromadendrin, 6‐methoxytaxifolin, phloretin, and (+)‐catechin] and mono‐ and diglycosides (the other 13 compounds). In the analyzed samples of E. longistipitata, 14 fatty acid–related compounds were identified, but coumarins and furochromones that were found in E. longistipitata were the most interesting result; furochromones khelloside, khellin, visnagin, and cimifugin were found in E. longistipitata for the first time. Coumarins 5,7‐dihydroxy‐4‐methylcoumarin, scoparone, fraxetin, and luvangetin and furochromones methoxsalen, 5‐O‐methylvisammioside, and visamminol‐3′‐O‐glucoside were detected for the first time in the genus Eranthis Salisb. For all the above compounds, the structural formulas are given. Furthermore, detailed information (with structural formulas) is provided on the diversity of chromones and furochromones in other representatives of Eranthis. The presence of chromones in plants of the genus Eranthis confirms its closeness to the genus Actaea L. because chromones are synthesized by normal physiological processes only in these members of the Ranunculaceae family.