期刊
APPLIED SCIENCES-BASEL
卷 13, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/app13031503
关键词
apigenin-7-O-glucoside; luteolin-7-O-glucoside; antimicrobial activity; enzyme inhibition; molecular docking
In this study, compounds from Stachys lavandulifolia were isolated and their tyrosinase, acetylcholinesterase, butyrylcholinesterase inhibitory, and antimicrobial activities were evaluated. Two flavone glycosides, apigenin-7-O-glucoside and luteolin-7-O-glucoside, were found to be effective against certain bacteria. While both compounds showed weak inhibitory effects on tyrosinase and butyrylcholinesterase, only luteolin-7-O-glucoside exhibited significant inhibition of acetylcholinesterase. Molecular docking study revealed a strong interaction between acetylcholinesterase and luteolin-7-O-glucoside. Overall, these findings highlight the antibacterial and acetylcholinesterase-inhibitory effects of these compounds.
In this study, we aimed to isolate compounds from Stachys lavandulifolia (Lamiaceae) by chromatographic methods and perform tyrosinase, acetylcholinesterase, butyrylcholinesterase enzyme-inhibition and antimicrobial activity studies of these compounds by in vitro methods. In addition, a molecular docking study was planned for the molecule with the highest effect. Two flavone glycosides, apigenin-7-O-glucoside and luteolin-7-O-glucoside, were isolated from S. lavandulifolia. Both compounds were observed to be effective against Enterococcus faecalis, Klebsiella pneumoniae, and Staphylococcus aureus. The compounds showed weak tyrosinase and butyrylcholine esterase inhibition, while only luteolin-7-O-glucoside showed a more significant inhibitory effect against acetylcholinesterase (65 +/- 2%). Therefore, molecular interactions between acetylcholinesterase and luteolin-7-O-glucoside were evaluated. In the docking study, it was observed that the molecule was bound to the enzyme with a low amount of free binding energy (Glide score: -8.31). As a result, the antibacterial effect of apigenin-7-O-glucoside and both antibacterial and acetylcholinesterase-inhibitory effects of luteolin-7-O-glucoside were determined.
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