Summary
The ascorbate anion is an endogenous water-soluble antioxidant that is present in biological systems. The one-electron oxidation of ascorbate produces the ascorbate free radical that is easily detectable by electron paramagnetic resonance (EPR). even in room temperature aqueous solution. The ascorbate radical has a relatively long lifetime compared to other free radicals, such as hydroxyl, peroxyl, and carbon-centered lipid radicals. This longer lifetime in conjunction with its relatively narrow EPR linewidth makes it easily detectable by EPR. In this essay we describe the EPR detection of the ascorbate radical and its use as a marker of oxidative stress.
This is a preview of subscription content, log in via an institution.
Buying options
Tax calculation will be finalised at checkout
Purchases are for personal use only
Learn about institutional subscriptionsPreview
Unable to display preview. Download preview PDF.
References
Lewin, S. (1976) Vitamin C: Its Molecular Biology and Medical Potential. Academic Press, New York.
Davies, M.B., Austin, J. and Partridge, D.A. (1991) Vitamin C: Its Chemistry and Biochemistry. Royal Society of Chemistry, Cambridge.
Buettner, G.R. (1993) The pecking order of free radicals and antioxidants: Lipid peroxidation, α-tocopherol, and ascorbate. Arch. Biochem. Biophys. 300: 535–543.
Buettner, G.R. and Jurkiewicz, B.A. (1993) Ascorbate free radical as a marker of oxidative stress: An EPR study. Free Radic. Biol Med. 14: 49–55.
Creutz, C. (1981) The complexities of ascorbate as a reducing agent. Inorg. Chem. 20: 4449–4452.
Frei, B., England, L. and Ames, B.N. (1989) Ascorbate is an outstanding antioxidant in human blood plasma. Proc. Natl. Acad. Sci. USA 86: 6377–6381.
Halliwell, B. (1990) How to characterize a biological antioxidant. Free Raci. Res. Comms. 9: 1–32.
McCay, P.B. (1985) Vitamin E: Interactions with free radicals and ascorbate. Ann. Rev. Nutr. 5: 323–340.
Rees, S. and Slater, T.F. (1987) Ascorbic acid and lipid peroxidation: The cross-over effect. Acta Biochim. Biophys. Hung. 22: 241–249.
Niki, E. (1991) Vitamin C as an antioxidant. World Rev. Nutr. Diet. 64: 1–30.
Krinsky, N.I. (1992) Mechanism of action of biological antioxidants. Proc. Soc. Exp. Biol. Med. 200: 248–254.
Koppenol, W.H. and Butler, J. (1985) Energetics of interconversion reactions of oxy radicals. Adv. Free Radical Biol. 1: 91–131.
Kalyanaraman, B., Darley-Usmar, V.M., Wood, I., Joseph, J. and Parthasarathy, S. (1992) Synergistic interaction between the probucoi phenoxyl radical and ascorbic acid in inhibiting the oxidation of low density lipoprotein. J. Biol. Chem. 267: 6789–6795.
Sharma, M.K. and Buettner, G.R. (1993) Interaction of vitamin C and vitamin E during free radical stress in plasma: An ESR study. Free Radic. Biol. Med. 14: 649–653.
Rose, R.C. and Bode, A.M. (1993) Biology of free radical scavengers: An evaluation of ascorbate. FASEB J. 7: 1135–1142.
Retsky, K.L., Freeman, M.W. and Frei, B. (1993) Ascorbic acid oxidation product(s) protect human low density lipoprotein against atherogenic modification. J. Biol. Chem. 268: 1304–1309.
Navas, P., Villalba, J.M. and Cordoba, F. (1994) Ascorbate function at the plasma membrane. Biochim. Biophys. Acta 1197: 1–13.
Davis, H.F., McManus, H.J. and Fessenden, R.W. (1986) An ESR study of free-radical protonation equilibria in strongly acid media. J. Phys. Chem. 90: 6400–6404.
Wardman, P. (1989) Reduction potentials of one-electron couples involving free radicals in aqueous solution. J. Phys. Chem. Ref. Data. 18: 1637–1755.
Buxton, G.V., Greenstock, C.L., Helman, W.P. and Ross, A.B. (1988) Critical review of rate constants for reactions of hydrated electrons, hydrogen atoms and hydroxyl radicals (·OH/·O-) in aqueous solution. J. Phys. Chem. Ref. Data 17: 513–886.
Erben-Russ, M., Michel, C., Bors, W. and Saran, M. (1987) Absolute rate constants of alkoxyl radical reactions in aqueous solution. J. Phys. Chem. 91: 2362–2365.
Neta, P., Huie, R.E. and Ross, A.B. (1990) Rate constants for reactions of peroxyl radicals in fluid solutions. J. Phys. Chem. Ref. Data 19: 413–513.
Packer, J.E., Willson, R.L., Bahnemann, P. and Asmus, K.D. (1980) Electron transfer reactions of halogenated aliphatic peroxyl radicals: measurement of absolute rate constant by pulse radiolysis. J. Chem. Soc. Perkin Trans. II. 2: 296–299.
Tamba, M. and O’Neill, P. (1991) Redox reactions of thiol free radicals with the antioxidants ascorbate and chlorpromazine: Role in radioprotection. J. Chem. Soc. Perkin Trans. II 1681–685.
Forni, L.G., Monig, J., Mora-Arellano, V.O. and Willson, R.L. (1983) Thiyl free radicals: Direct observations of electron transfer reactions with phenothiazines and ascorbate. J. Chem. Soc. Perkin Trans.II 961–965.
Simic, M.G. and Jovanovic, S.V. (1989) Antioxidation mechanisms of uric acid. J. Am. Chem. Soc.111: 5778–5782.
Bielski, B.H.J. (1982) Chemistry of ascorbic acid radicals. In: Seib, P.A. and Tolbert, B.M. (eds): Ascorbic Acid: Chemistry, Metabolism, and Uses. Washington DC, American Chemical Society, pp 81–100.
Pelizzetti, E., Meisel, D., Mulac, W.A. and Neta, P. (1979) On the electron transfer from ascorbic acid to various phenothiazine radicals. J. Am. Chem. Soc. 101: 6954–6959.
Bielski, B.H.J., Cabelli, D.E. and Arudi, R.L. (1985) Reactivity of HO2/O- 2radicals in aqueous solution. J. Phys. Chem. Ref. Data 14: 1041–1100.
Cabelli, D.E. and Bielski, B.H.J. (1983) Kinetics and mechanism for the oxidation of ascorbic acid/ascorbate by HO2/O- 2 radicals. A pulse radiolysis and stopped-flow photolysis study. J. Phys. Chem. 87: 1809–1812.
Nishikimi, M. (1975) Oxidation of ascorbic acid with superoxide anion generated by the xanthine-xanthine oxidase system. Biochem. Biophys. Res. Comms. 63: 463–468.
Buettner, G.R. (1986) Ascorbate autoxidation in the presence of iron and copper chelates. Free Rad. Res. Comms. 1: 349–353.
Buettner, G.R. (1990) Ascorbate oxidation: UV absorbance of ascorbate and ESR spectroscopy of the ascorbyl radical as assays for iron. Free Rad. Res. Comms. 10: 59.
Ross, A.B., Mallard, W.G., Hleman, W.P., Buxton, G.V., Huie, R.E. and Neta, P. (1994) NDRL-NIST Solution Kinetics Database: -Ver. 2.0. Gaithersburg; NIST.
Kahn, M.M.T. and Martell, A.E. (1967) Metal ion and metal chelate catalyzed oxidation of ascorbic acid by molecular oxygen. I. Cupric and ferric ion catalyzed oxidation. J. Am. Chem. Soc. 89: 4176–4185.
Khan. M.M.T. and Martell, A.E. (1967) Metal ion and metal chelate catalyzed oxidation of ascorbic acid by molecular oxygen. II. Cupric and ferric chelate catalyzed oxidation. J. Am. Chem. Soc. 89: 7104–7111.
Scarpa, M., Stevanto, R., Viglino, P. and Rigo, A. (1983) Superoxide ion as active intermediate in the autoxidation of ascorbate by molecular oxygen. J. Biol. Chem. 258: 6695–6697.
Williams, N.H. and Yandell, J.K. (1982) Outer-sphere electron-transfer reaction of ascorbate anions. Aust. J. Chem. 35: 1133–1144.
Winterbourn, C.C. ( 1993) Superoxide as an intracellular radical sink. Free Radic. Biol. Med. 14: 85–90.
Koppenol, W.H. (1993) A thermodynamic appraisal of the radical sink hypothesis. Free Radic. Biol. Med. 14: 91–94.
Foerster, G., Weis, W. and Staudinger, H. (1965) Messung der Elektronenspinresonanz an Semidehydroascorbinsäure. Annałen der Chemie 690: 166–169.
Stegmann, H.B., Schuler, P., Westphal, S. and Wagner, E. (1993 ) Oxidative stress of crops monitored by EPR. Z. Naturforsch. C. 48: 766–772.
Minetti, M., Forte, T., Soriani, M., Quaresima, V., Menditoo, A. and Ferrari, M. (1992) Iron-induced ascorbate oxidation in plasma as monitored by ascorbate free radial formation. Biochem. J. 282: 459–465.
Miller, D.M. and Aust, S.D. (1989) Studies of ascorbate-dependent, iron catalyzed lipid peroxidation. Arch. Biochem. Biophys. 271: 113–119.
Buettner, G.R. and Chamulitrat, W. (1990) The catalytic activity of iron in synovial fluid as monitored by the ascorbate free radical. Free Radic. Biol Med. 8: 55–56.
Buettner, G.R., Motten, A.G., Hall, R.D. and Chignell, C.F. (1987) ESR detection of endogenous ascorbate free radical in mouse skin: Enhancement of radical production during UV irradiation following topical application of chlorpromazine. Photochem. Photobiol 46: 161–164.
Jurkiewicz, B.A. and Buettner, G.R. (1994) Ultraviolet light-induced free radical formation in skin: An electron paramagnetic resonance study. Phoîochem. Photobiol. 59: 1–4.
Roginsky, V.A. and Stegmann, H.B. (1994) Ascorbyl radical as natural indicator of oxidative stress: Quantitative regularities. Free Radic. Biol. Med. 17: 93–103.
Timmins, G.S. and Davies, M.J. (1993) Free radical formation in murine skin treated with tumour promoting organic peroxides. Carcinogensis 14: 1499–1503.
Tomasi, A., Albano, E., Bini, A., Iannone, A.C. and Vannini, V. (1989) Ascorbyl radical is detected in rat isolated hepatocytes suspensions undergoing oxidative stress: and early index of oxidative damage in cells. Adv. in the Biosciences 76: 325–334.
Arroyo, C.M., Kramer, J.H., Dickens, B.F. and Weglicki, W.B. (1987) Identification of free radicals in myrocardial ischemia/reperfusion by spin trapping with nitrone DMPO. FEBS Lett. 221: 101–104.
Nohl, H., Stolze, K., Napetschnig, S. and Ishikawa, T. (1991) Is oxidative stress primarily involved in reperfusion injury of the ischemic heart? Free Radic. Biol. Med. 11: 581–588.
Sharma, M.K., Buettner, G.R., Spencer, K.T. and Kerber, R.E. (1994) Ascorbyl free radical as a real-time marker of free radical generation in briefly ischemic and reperfused hearts. Circulation Res. 74: 650–658.
Pietri, S., Culcasi, M., Stella, L. and Cozzone, P.J. (1990) Ascorbyl free radical as a reliable indicator of free-radical-mediated myocardial ischemic and post-ischemic injury. Eur. J. Biochem. 193: 845–854.
Pietri, S., Seguin, J.R., D’Arbigny, P. and Culcasi, M. (1994) Ascorbyl free radical: A noninvasive marker of oxidative stress in human open-heart surgery. Free Radic. Biol. Med. 16: 523–528.
Minakata, K., Suzuki, O., Saito, S. and Harada, N. (1993) Ascorbate radical levels in human sera and rat plasma intoxicated with paraquat and diaquat. Arch. Toxicol. 67: 126–130.
Stark, J.M., Jackson, S.K., Rowlands, C.C. and Evans, J.C (1988) Increases in ascorbate free radical concentration after endotoxin in mice. In: C. Rice-Evans and B. Halliwell (eds): Free Radicals: Methodology and Concepts. Richelieu, London, pp 201–209.
Sasaki, R., Kurokawa, T. and Tero-Kubota, S. (1982) Nature of serum ascorbate radical and its quantitative estimation. Tohoku J. Exp. Med. 136: 113–119.
Sasaki, R., Kurokawa, T. and Tero-Kubota, S. (1983) Ascorbate radical and ascorbic acid level in human serum and age. J. Gerontology 1: 26–30.
Sasaki, R., Kobayasi, T., Kurokawa, T., Shibuya, D. and Tero-Kubota, S. (1984) Significance of the equilibrium constant between serum ascorbate radical and ascorbic acids in man. Tohoku J. Exp. Med. 144: 203–210.
Sasaki, R., Kurokawa, T. and Shibuya, D. (1985) Factors influencing ascorbate free radical formation. Biochem. Intern. 10: 155–163.
Ohara, T., Sasaki, R., Shibuya, D., Asaki, S. and Toyota, T. (1992) Effect of omeprazole on ascorbate free radical formation. Tohoku J. Exp. Med. 167: 185–188.
Buettner, G.R. (1988) In the absence of catalytic metals ascorbate does not autoxidize at pH 7: ascorbate as a test for catalytic metals. J. Biochem. Biophys. Meth. 16: 27–40.
Laroff, G.P., Fessenden, R.W. and Schuler, R.H. (1972) The electron spin resonance spectra of radical intermediates in the oxidation of ascorbic acid.and related substances. J. Am. Chem. Soc. 94: 9062–9073.
Buettner, G.R. and Kiminyo, K.P. (1992) Optimal EPR detection of weak nitroxide spin adduct and ascorbyl free radical signals. J. Biochem. Biophys. Meth. 24: 147–151.
Miller, D.M., Buettner, G.R. and Aust, S.D. (1990) Transition metals as catalysts of “autoxidation” reactions. Free Radic. Biol. Med. 8: 95–108.
Guzman Barron, E.S., DeMeio, R.H. and Klemperer, F. (1936) Studies of biological oxidations. Copper and hemochromogens as catalysts for the oxidation of ascorbic acid. The mechanism of the oxidation. J. Biol. Chem. 112: 625–640.
Borsook, H., Davenport, H.W., Jeffreys, C.E.P. and Warner, R.C. (1937) The oxidation of ascorbic acid and its reduction in vitro and in vivo. J. Biol. Chem. 117: 237–279.
Weissberger, A., LuValle, J.E. and Thomas, D.S. (1943) Oxidation processes. XVI. The autoxidation of ascorbic acid. J. Am. Chem. Soc. 65: 1934–1939.
Halliwell, B. and Foyer, C.H. (1976) Ascorbic acid, metal ions and the superoxide radical. Biochem. J. 155: 697–700.
Britigan, B.E., Pou, S., Rosen, G.M., Lilleg, D.M. and Buettner, G.R. (1990) Hydroxyl radical is not a product of the reaction of xanthine oxidase and xanthine. J. Biol. Chem. 265: 17533–17538.
Buettner, G.R. (1990) Use of ascorbate as test for catalytic metals in simple buffers. Meth. Enzymol. 186: 125–127.
Niki, E. (1990) Free radical initiators as source of water- or lipid-soluble peroxyl radicals. Methods Enzymol. 186: 100–108.
Willis, E.D. (1969) Lipid peroxide formation in microsomes, general considerations. Biochem. J. 113: 315–324.
Willis, E.D. (1969) Lipid peroxide formation in microsomes, the role of non-haem iron. Biochem. J. 113: 325–332.
Willis, E.D. (1966) Mechanisms of lipid peroxide formation in animal tissues. Biochem. J. 99: 667–675.
Baysal, E., Sullivan, S.G. and Stern, A. (1989) Prooxidant and antioxidant effects of ascorbate on tBuOOH-induced erythrocyte membrane damage. Int. J. Biochem. 21: 1109–1113.
Wagner, B.A., Buettner, G.R. and Burns, C.P. (1993) Increased generation of lipidderived and ascorbate free radicals by L1210 cells exposed to the ether lipid edelfosine. Cancer Res. 53: 711–713.
Wagner, B.A., Buettner, G.R. and Burns, C.P. (1993) Free radical-mediated lipid peroxidation in cells: Oxidizability is a function of cell lipid bis-allylic hydrogen content. J. Biol. Chem. 33: 4449–4453.
Taylor, H.R., West, S.K., Rosenthal, F.S., Munoz, B., Newland, H., Abbey, H. and Emmett, E.A. (1988) Effect of ultraviolet radiation on cataract formation. New Eng. J. Med. 319: 1429–33.
Weiter, J.J. and Finch, E.D. (1975) Paramagnetic species in cataractous human lenses. Nature 254: 536–537.
Murakami, J., Okazaki, M. and Shiga, T. (1989) Near UV-induced free radicals in ocular lens, studies by ESR and spin trapping. Photochem. Photobiol. 49: 465–473.
Mori, A., Wang, X. and Liu, J. (1994) Electron spin resonance assay of ascorbate free radicals in vivo. Methods Enzymology 233: 149–154.
Wang, X., Liu, J., Yokoi, í., Kohno, M. and Mori, A. (1992) Direct detection of circulating free radicals in the rat using electron spin resonance spectrometry. Free Radic. Biol. Med. 12: 121–126.
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 1995 Birkhäuser Verlag Basel/Switzerland
About this chapter
Cite this chapter
Buettner, G.R., Jurkiewicz, B.A. (1995). Ascorbate radical: A valuable marker of oxidative stress. In: Favier, A.E., Cadet, J., Kalyanaraman, B., Fontecave, M., Pierre, JL. (eds) Analysis of Free Radicals in Biological Systems. Birkhäuser Basel. https://doi.org/10.1007/978-3-0348-9074-8_11
Download citation
DOI: https://doi.org/10.1007/978-3-0348-9074-8_11
Publisher Name: Birkhäuser Basel
Print ISBN: 978-3-0348-9895-9
Online ISBN: 978-3-0348-9074-8
eBook Packages: Springer Book Archive