期刊
PLANTS-BASEL
卷 12, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/plants12040819
关键词
phenolic profile; HPLC-DAD; Clinopodium gilliesii; Mutisia acuminata; Tagetes multiflora; cholinesterase inhibition
This study aimed to identify the phenolic profile and composition of three native species used in traditional medicine in northern Chile and evaluate their inhibitory effects against acetylcholinesterase and butyrylcholinesterase. Polyphenolic enriched-extracts were prepared and analyzed, and 30 phenolic compounds were identified and quantified. Tagetes multiflora showed the highest inhibitory activity, but weaker than the control. Molecular docking analysis was conducted to understand the interactions between cholinesterase enzymes and the main phenolics in T. multiflora.
This research aimed to identify the phenolic profile and composition of the aerial parts of three native species used in traditional medicine in the Andean Altiplano of northern Chile: Clinopodium gilliesii (Benth.) Kuntze [Lamiaceae] (commonly known as Muna-Muna), Mutisia acuminata Ruiz & Pav. var. hirsuta (Meyen) Cabrera [Asteraceae] (commonly known as Chinchircoma), and Tagetes multiflora (Kunth), [Asteraceae] (commonly known as Gracilis), as well as to evaluate their potential inhibitory effects against acetylcholinesterase (AChE) and butyrylcholinesterase (BChE). Polyphenolic enriched-extracts (PEEs) of the species were prepared and analyzed and the main components were quantified using HPLC-DAD. In total, 30 phenolic compounds were identified and quantified in all species, including simple phenolics, hydroxycinnamic acids, flavan-3-ols (monomers and polymers), flavanones, and flavonols. In addition, other main phenolics from the extracts were tentatively identified by ESI-MS-MS high-resolution analysis. T. multiflora extract showed the greatest anti-AChE and BChE activity in comparison with C. gilliesii and M. acuminata extracts, being the anti-AChE and BChE activity weak in all extracts in comparison to galantamine control. To comprise to better understand the interactions between cholinesterase enzymes and the main phenolics identified in T. multiflora, molecular docking analysis was conducted.
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