期刊
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
卷 171, 期 -, 页码 432-438出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2016.08.035
关键词
Metal-flavonoid complexes; Radical scavenging; DPPH center dot; TEMPO center dot; Superoxide anion radical; Hydroxyl free radical
类别
资金
- Quaid-i-Azam University Islamabad as URF
- HEC Pakistan [20-1718/RD/2011]
Cu2+ and Fe3+ complexes of three flavonoids (morin or mo, quercetin or quer and primuletin or prim) were synthesized with the objective of improving antioxidant capacities of flavonoids. The radical scavenging activities of pure flavonoids and their metal complexes were assayed to monitor their tendencies towards sequestering of radicals at physiological conditions. The scavenger potencies of metal-flavonoid complexes were significantly higher than those of the parent flavonoids. Further, influence of the solvent polarity on the radical capturing by flavonoids and their metal complexes was in favor for the polar solvent. Fe3+-prim displayed its radical scavenging ability via up gradation of CAT and SOD activities in in-vivo antioxidant assays. (C) 2016 Elsevier B.V. All rights reserved.
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