Laser flash photolysis study on antioxidant properties of hydroxycinnamic acid derivatives.

Radiation and Environmental Biophysics
Hongping ZhuSide Yao

Abstract

The antioxidant properties of hydroxycinnamic acid derivatives (HCA) were studied by laser flash photolysis. The transient species with maximum absorption at 360 nm were assigned to the phenoxyl radical of HCA. The SO (4) (.-) induced oxidation of HCA was also investigated. It was shown that the interaction of SO (4) (.-) with HCA resulted in the formation of HCA phenoxyl radicals with rate constants of 2.0-3.9 x 10(9 )M(-1) s(-1). The reactions of HCA with triplet state of benzophenone were analyzed and quenching rate constants of 4.3-7.8 x 10(9 )M(-1) s(-1) were determined.

References

Aug 31, 1992·Journal of Photochemistry and Photobiology. B, Biology·Z ZuoJ Zhang
Aug 1, 1995·Free Radical Biology & Medicine·L PackerH J Tritschler
Sep 1, 1993·Proceedings of the National Academy of Sciences of the United States of America·B N AmesT M Hagen
Oct 14, 1998·Progress in Neurobiology·R J Reiter
Jun 25, 1999·Free Radical Biology & Medicine·S FoleyC A Rice-Evans
Oct 25, 2000·Health Physics·L C SimonsenF A Cucinotta
Nov 23, 2000·Nature·T Finkel, N J Holbrook
Dec 2, 2000·Biochimica Et Biophysica Acta·K A YoudimJ A Joseph
Mar 14, 2001·Biochimica Et Biophysica Acta·C L Hawkins, M J Davies
Jul 4, 2001·Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association·M J ArtsA Bast
Nov 7, 2001·Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association·M LodoviciP Dolara
Jun 28, 2002·Free Radical Biology & Medicine·Rajindar S Sohal
Sep 18, 2002·Archives of Biochemistry and Biophysics·Changyuan Lu, Yanyun Liu
Oct 4, 2002·Nutrition·T P Stein
Oct 4, 2002·Nutrition·Yun-Zhong FangGuoyao Wu
Jul 21, 2005·Journal of Agricultural and Food Chemistry·Chiu-Lan HsiehHui-Yin Chen

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Citations

Feb 11, 2012·Photochemistry and Photobiology·Yancheng LiuWenfeng Wang
Sep 13, 2011·Journal of Photochemistry and Photobiology. B, Biology·Ruizhi TangWenfeng Wang
Oct 3, 2006·Biochimica Et Biophysica Acta·Hongping ZhuSide Yao
May 6, 2010·Photochemical & Photobiological Sciences : Official Journal of the European Photochemistry Association and the European Society for Photobiology·Sufang ZhaoSide Yao
Dec 2, 2010·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Hartmut HerrmannAndreas Tilgner
Apr 19, 2012·Physical Chemistry Chemical Physics : PCCP·Jorge Rafael León-CarmonaAnnia Galano
May 21, 2015·Luminescence : the Journal of Biological and Chemical Luminescence·Abebe BelayYoon-Hwae Hwang
Mar 19, 2014·Physical Chemistry Chemical Physics : PCCP·Xitong LiuBingcai Pan
Jul 31, 2013·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·Tingting QianShilong Wang
Jun 2, 2009·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·Ling-Li ChengShi-Long Wang
Mar 23, 2011·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·Kun LiShi-Long Wang

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