Oxidation of kaempferol and its iron(III) complex by DPPH radicals: spectroscopic and theoretical study

Kaempferol (3,5,7-trihydroxy-2-(4-hydroxyphenyl)-4 H -chromen-4-one), one of the most bioactive plant flavonoids, was quantitatively investigated for its ability to bind iron and scavenge DPPH radicals. The DPPH reduction test showed kaempferol and its iron complex to be less potent antioxidants tow...

Full description

Saved in:
Bibliographic Details
Published in:Monatshefte für Chemie 2014-04, Vol.145 (4), p.557-563
Main Authors: Dimitrić Marković, Jasmina M., Amić, Dragan, Lučić, Bono, Marković, Zoran S.
Format: Article
Language:English
Subjects:
Analytical Chemistry
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Inorganic Chemistry
Organic Chemistry
Original Paper
Physical Chemistry
Theoretical and Computational Chemistry
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Kaempferol (3,5,7-trihydroxy-2-(4-hydroxyphenyl)-4 H -chromen-4-one), one of the most bioactive plant flavonoids, was quantitatively investigated for its ability to bind iron and scavenge DPPH radicals. The DPPH reduction test showed kaempferol and its iron complex to be less potent antioxidants towards DPPH radicals compared to structurally similar flavone molecules quercetin, baicalein, fisetin, morin, and their iron complexes. The equilibrium geometries of free and complexed kaempferol were optimized with the M05-2X functionals and 6-311G(d,p) basis set. Graphical abstract
ISSN:0026-9247
1434-4475
DOI:10.1007/s00706-013-1135-z