期刊
FITOTERAPIA
卷 164, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.fitote.2022.105352
关键词
Apigenin; Density Functional Theory; Antiradical activity; Complexation; Molecular docking; Xanthine oxidase
Density functional theory was used to examine the antioxidant activity of apigenin. The results indicate that apigenin has the ability to scavenge free radicals, chelate metal ions, and inhibit xanthine oxidase, which are important for its beneficial effects, especially because of its lower anti-dot OOH potential.
Density functional theory was used to examine the antioxidant activity of apigenin. All protonated species that are present in a non-negligible population at physiological pH were considered in the study. The ability to scavenge the hydroperoxide radical was evaluated in lipid and aqueous environments. The capacity to halt the Fenton reaction by chelating Fe(III) and Cu(II) ions was also investigated, as was the ability to inhibit xanthine oxidase. The results indicate that these activities may be particularly important in describing the beneficial effects of apigenin, especially because of its lower anti-center dot OOH potential than Trolox or vitamin C. The findings underscore the significant role of dianion in the antiradical and chelating properties, despite its presence in much lower molar fractions than other ions.
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