An experimental and DFT study on free radical scavenging activity of hesperetin Schiff bases

A Sykula, A Kowalska-Baron, A Dzeikala, A Bodzioch… - Chemical Physics, 2019 - Elsevier
Three hesperetin Schiff bases N-[2, 3-dihydro-5, 7-dihydroxy-2-(3-hydroxy-4-
methoxyphenyl) chromen-4-ylidene] thiosemicarbazide (HTSC), N-[2, 3-dihydro-5, 7 …

Experimental and theoretical study of antioxidative properties of some salicylaldehyde and vanillic Schiff bases

ZD Petrović, J Đorović, D Simijonović, VP Petrović… - RSC Advances, 2015 - pubs.rsc.org
The antioxidative capacity and structure–activity relationships of ten Schiff bases were
investigated experimentally and theoretically. All compounds contain the aniline moiety …

Theoretical investigation on the structural properties, scavenging mechanism and toxicological profile of Nymphaeol C, a flavanone in Macaranga Tanarius

GSG Krishnan, PC Sumayya… - … and Theoretical Chemistry, 2023 - Elsevier
The quantum chemical calculations of Nymphaeol C (C 30 H 36 O 6) have been carried out
using the density functional theory method, M06-2X in the 6-311+ G (d, p) basis set. The …

Antioxidant behavior of mearnsetin and myricetin flavonoid compounds—a DFT study

K Sadasivam, R Kumaresan - Spectrochimica Acta Part A: Molecular and …, 2011 - Elsevier
The molecular characteristics of two naturally occurring flavonoid compounds mearnsetin
and myricetin have been computed using density functional theory (DFT) approach with …

Revisiting the hydrogen atom transfer reactions through a simple and accurate theoretical model: Role of hydrogen bond energy in polyphenolic antioxidants

R Rohman, R Nath, R Kar - Computational and Theoretical Chemistry, 2023 - Elsevier
The importance of hydrogen atom transfer (HAT) reaction has been realized in various
fields, ranging from atmospheric chemistry to biological processes. HAT is noteworthy in …

Assessing the protective activity of a recently discovered phenolic compound against oxidative stress using computational chemistry

Y Villuendas-Rey, JR Alvarez-Idaboy… - Journal of Chemical …, 2015 - ACS Publications
The protection exerted by 3, 5-dihydroxy-4-methoxybenzyl alcohol (DHMBA), a phenolic
compound recently isolated from the Pacific oyster, against oxidative stress (OS) is …

Radical Scavenging Capability and Mechanism of Three Isoflavonoids Extracted from Radix Astragali: A Theoretical Study

XQ Lu, S Qin, J Li - Molecules, 2023 - mdpi.com
As a valuable traditional Chinese herbal medicine, Radix Astragali has attracted much
attention due to its extensive pharmacological activities. In this study, density functional …

Antioxidant motifs in flavonoids: O–H versus C–H bond dissociation

QV Vo, PC Nam, NM Thong, NT Trung, CTD Phan… - ACS …, 2019 - ACS Publications
Flavonoids provide potential health benefits due to their antioxidant properties. The
antioxidant activity of natural flavonoids is primarily exerted by phenolic hydroxyl groups; …

DFT/B3LYP study of tocopherols and chromans antioxidant action energetics

E Klein, V Lukeš, M Ilčin - Chemical physics, 2007 - Elsevier
Gas-phase reaction enthalpies related to the individual steps of three phenolic antioxidants
action mechanisms–hydrogen atom transfer (HAT), single-electron transfer–proton transfer …

Theoretical investigation on antioxidant activity of vitamins and phenolic acids for designing a novel antioxidant

A Mohajeri, SS Asemani - Journal of Molecular Structure, 2009 - Elsevier
Theoretical calculations have been performed to predict antioxidant property for two
interesting classes of compounds including phenolic acids and vitamins. Important …