The following reagents were used: KH
2PO
4, Na
2HPO
4·12H
2O (Reachim, Moscow, Russia), reagent grade p.a. (buffer system);
2,2-azobis (2-methylpropionamidine)
dihydrochloride (AAPH) (CAS: 2997-92-4, Sigma-Aldrich, St. Louis, MO, USA), reagent grade puriss.;
phoroglucinol,
pyrogallol, hydroxyquinol,
gallic acid, and
ascorbic acid (Sigma-Aldrich, St. Louis, MO, USA).
Solutions of the polyphenols and imidazole-derived polyphenols were prepared with distilled deionized water.
The antioxidant capacity was determined in a phosphate buffer solution (PBS) with pH 7.4. Redox transformations were investigated in 0.1 M KCl.
Gerasimova E.L., Gazizullina E.R., Borisova M.V., Igdisanova D.I., Nikiforov E.A., Moseev T.D., Varaksin M.V., Chupakhin O.N., Charushin V.N, & Ivanova A.V. (2021). Design and Antioxidant Properties of Bifunctional 2H-Imidazole-Derived Phenolic Compounds—A New Family of Effective Inhibitors for Oxidative Stress-Associated Destructive Processes. Molecules, 26(21), 6534.