A quel point l’Angelica archangelica séchée est elle médicinale en comparaison à la plante fraîche?
DOI :
https://doi.org/10.18192/osurj.v4i1.7294Résumé
La composition chimique des produits naturels est responsable de leurs propriétés médicinales. Angelica archangelica est bien connue pour ses propriétés antimicrobiennes, attribuées aux terpènes qui constituent la majeure partie de l’extrait de la plante fraîche. La racine séchée peut être achetée auprès de sources commerciales et est vendue pour ses propriétés médicinales évoqués précédemment. Malgré l'étude approfondie de la composition de la plante fraîche, peu d’analyses ont été effectuées concernant ses composants chimiques de la racine séchée. Dans cette étude, nous utilisons à la fois des solvants organiques et du CO2 supercritique pour pouvoir extraire les composés de la racine séchée, et nous comparons les résultats à ceux de l’huile essentielle (obtenue à partir de la plante fraîche). Les résultats démontre que les racines séchées utilisée dans cette étude étaient dépourvus des terpènes associés aux protéines médicinales de la plante, et contenaient à la place de l'ostal, un dérivé de la coumarine présent en relativement faible quantité en comparaison aux terpènes de la plantes
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