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Fitoterapia ; 167: 105516, 2023 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-37100353

RESUMO

To identify the active constituents with α-glucosidase inhibitory activities in Sabia parviflora, three new compounds, namely, sabiaparviflora A-C (1, 2 and 8), and seven known compounds were isolated from the plant by repeated column chromatography. The structures of the new compounds were identified by extensive application of spectroscopic methods, including 1H NMR, 13C NMR, IR and HR-ESI-MS. All compounds, except for compounds 3-5, 9 and 10 were isolated for the first time from S. parviflora. Their α-glucosidase inhibitory activities were evaluated for the first time by the PNPG method. Three compounds (1, 7 and 10) exhibited marked activities, with IC50 values ranging from 104 to 324 µM, and their structure-activity relationship is preliminarily discussed herein.


Assuntos
Inibidores de Glicosídeo Hidrolases , alfa-Glucosidases , Estrutura Molecular , Inibidores de Glicosídeo Hidrolases/farmacologia , Inibidores de Glicosídeo Hidrolases/química , alfa-Glucosidases/metabolismo , Relação Estrutura-Atividade , Extratos Vegetais/química
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