Properties of phenoxyl radical of dehydrozingerone, a probable antioxidant

Radiation Physics and Chemistry

Volumn 54, Issue 6, 1999, Pages 551-558

  Priyadarsini, K Indira ^a   Devasagayam, T P A ^a   Rao, M N A ^b   Guha, S N ^a  

^a BHABHA ATOMIC RESEARCH CENTRE   (India)

^b Divis Laboratories Limited   (India)

Author keywords

[No Author keywords available]

Indexed keywords

ADDITION REACTIONS; ANTIOXIDANTS; CHLORINE COMPOUNDS; FREE RADICAL REACTIONS; HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; NITROGEN OXIDES; OXIDATION; PH EFFECTS; RATE CONSTANTS;

DEHYDROZINGERONE; NITROGEN DIOXIDE; PULSE RADIOLYSIS;

PHENOLS;

ANTIOXIDANT; DEHYDROZINGERONE; FREE RADICAL; HYDROXYL RADICAL; PHENOL DERIVATIVE;

ANTIOXIDANT ACTIVITY; ARTICLE; HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; HYDROXYLATION; PH MEASUREMENT; RADIATION ABSORPTION; RADIATION PHYSICS; REDUCTION; SPECTROPHOTOMETRY; THERMODYNAMICS;

EID: 0345683540     PISSN: 0969806X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0969-806X(98)00298-9     Document Type: Article

References (32)

1. Alfassi Z.B., Schuler R.H. Reaction of azide radicals with aromatic compounds. Azide as a selective oxidant. J. Phys. Chem. 89:1985;3359.
2. Alfassi Z.B., Mosseri S., Neta P. Halogenated alkyl peroxyl radicals as oxidants: Effects of solvent and of substituents on rates of electron transfer. J. Phys. Chem. 91:1987;3383.
3. Bisby, R.H., Parker, A.W., 1993. Radiation-induced free radical reactions. In: G. Poli, E. Albano, M.U. Dianzani (Ed.). Free radicals: from basic science and medicine. Birkhauser Verlag, Switzerland.
4. Bors W., Michel C., Schikora S. Interactions of flavonoids with ascorbate and determination of their univalent redox potenrials: A pulse radiolysis investigation. Free Radic Biol Med. 19:1995;45.
5. Burton G.W., Doba T., Gabe E.J., Hughes L., Lee F.L., Prasad L., Ingold K.U. Autooxidation of biological molecules 4 maximizing the antioxidant activity of phenols. J.Am.Chem.Soc. 107:1985;7053.
6. Buxton, G.V., 1987. Radiation chemistry of the liquid state: (1) water and homogeneous aqueous solutions. In: Farhataziz, M.A.J. Rodgers (Ed.). Radiation Chemistry: Principles and Applications. VCH, New York.
7. Das T.N., Priyadarsini K.I. Characterisation of transients produced in aqueous medium by pulse radiolytic oxidation of 3,5-diiodo tyrosine. J. Phys. Chem. 98:1994;5272.
8. Davies M.J., Forni L.G., Willson R.L. Vitamin E analogue trolox C: esr and pulse radiolysis studies of free radical reactions. Biochem. J. 255:1988;513.
9. Denisov E.T., Khudyakov. Mechanisms of action and reactivities of the free radicals of inhibitors. Chem.Rev. 87:1987;1313.
10. Elias G., Rao M.N.A. Synthesis and antiinflammatory activity of substituted (E)-4-phenyl-3-buten-2-ones. Eur.J.Med.Chem. 23:1988;379-380.
11. Elizabeth K., Rao M.N.A. Oxygen radical scavenging activity of curcumin. Int. J. Pharm. 58:1990;237.
12. Erben-Russ M., Bors W., Saran M. Reactions of linoleic acid peroxyl radicals with phenolic antioxidants. Int. J.Radiat. Biol. 52:1987;393.
13. Fielden, E.M., 1984. J.H. Baxendale, F. Busi (Ed.). The Study of Fast Processes and Transient Species by Electron Pulse Radiolysis. Reidel, Dordrecht.
14. Guha S.N., Moorthy P.N., Kishore K., Naik D.B., Rao K.N. One-electron reduction of thionine studied by pulse radiolysis. Proc. Ind. Acad. Sci. (Chem Sci.,). 99:1987;261.
15. Guha S.N., Priyadarsini K.I., Devasagayam T.P.A., Sreejayan, Rao M.N.A. Hydroxyl radical reactions of (4-hydroxy, 3-methoxy 5-bromophenyl pentenone: A curcuminoid antioxidant. Radiat.Phys.Chem. 49:1997;43.
16. Halliwell B., Gutteridge J.M.C. Role of free radicals and catalytic metal ions in human diseases, An overview. Methods in Enzymology. 186:1990;1.
17. Halliwell, B., Gutteridge, J.M.C., 1993. Free Radicals in Biology and Medicine. Clarendon Press, Oxford.
18. + for calculation of one-electron redox potentials of antioxidants. J.Phys.Chem. 95:1991;10824.
19. Jovanovic S.V., Steenken S., Tosic M., Marjanovic B., Simic M.G. Flavonoids as antioxidants. J.Am.Chem.Soc. 116:1994;4846.
20. Jovanovic S.V., Yon-Hara, Steenken S., Simic M.G. Antioxidant potential of gallocatechins, A pulse radiolysis and laser photolysis study. J.Am.Chem.Soc. 117:1995;9881.
21. Neta P., Huie R.E. Rate constants for reactions of inorganic radicals in aqueous solutions. J. Phys. Chem. Ref. Data. 17:1988;1027.
22. Priyadarsini, K.I., Naik, D.B., Moorthy, P.N., Mittal, J.P., 1991. Energy transfer studies of coumarin dyes using electron pulse radiolysis. In: J. Dobo, L. Nykos, R. Schiller (Ed.). Proceedings of the 7th Tihany Conference on Radiation Chemistry. Hungarian Chem. Soc., Budapest, p. 105.
23. Priyadarsini K.I. Free radical reactions of curcumin in membrane models. Free Radic Biol Med. 23:1997;838.
24. Priyadarsini K.I., Guha S.N., Rao M.N.A. Physico-chemical properties and antioxidant activity of methoxy phenols. Free Radic Biol. Med. 24:1998;933.
25. Rajakumar D.V., Rao M.N.A. Dehydrozingerone and isoeugenol as inhibitors of lipid peroxidation and as free radical scavengers. Biochem. Pharmacol. 46:1993;2067.
26. Rajakumar D.V., Rao M.N.A. Antioxidant properties of dehydrozingerone and curcumin in rat brain homogenates. Mol. Cell Biochem. 140:1994;73.
27. Sharma O.P. Antioxidant activity of curcumin and related substances. Biochem. Pharmacol. 25:1976;1811.
28. Srimal R.C. Curcumin. Drug Future. 12:1987;331.
29. Steenken S., O'Neill P. Oxidative demethoxylation of methoxylated phenols and hydroxybenzoic acids by the OH radical. An in situ electron spin resonance, conductometric pulse radiolysis and product analysis. J. Phys. Chem. 81:1977;505.
30. Steenken S., Neta P. Electron transfer rates and equilibria between substituted phenoxide ions and phenoxyl radicals. J.Phys.Chem. 86:1982;3661.
31. Tonnensen H.H., Simistad G., Agren T., Karlsen J. Studies on curcumin and curcuminoids XXIII: Effects of curcumin on liposomal lipid peroxidation. Int. J Pharm. 90:1993;221.
32. Wardman P. Reduction potentials of one-electron couples involving free radicals in aqueous solutions. J. Phys.Chem. Ref Data. 18:1989;1637.