Fackir, L. and Jore, D. and Gardes-Albert, M. and Acher, F. and Azerad, R. and Hickel, B. (1995) Pulse radiolysis study of vitamin K1 reduction in ethanolic solution. Radiation Research, 141 (1). pp. 86-90.

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Abstract

A pulse radiolysis study of vitamin K1 reduction was carried out in argon-saturated ethanolic solutions. The α-hydroxyethyl radicals CH3C*HOH (R*) and the solvated electrons (e(solv)/-) reduce vitamin K1, leading to the semiquinone transient K1H*. This species, characterized by its absorption spectrum, decays by disproportionation and leads to the formation of the hydroquinone K1H2. The rate constants of the monoelectronic exchanges involved in this reduction have been determined.

Item Type: Article
Uncontrolled Keywords: alcohol; argon; hydroquinone; hydroxyl radical; phytomenadione; semiquinone, absorption spectroscopy; article; optical density; oxidation reduction reaction; priority journal; pulse radiolysis, Argon; Ethanol; Free Radicals; Kinetics; Mathematics; Pulse Radiolysis; Solutions; Spectrophotometry; Time Factors; Vitamin K 1
Subjects: Biochemistry, Genetics and Molecular Biology
Divisions: SCIENTIFIC PRODUCTION > Biochemistry, Genetics and Molecular Biology
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:44
URI: http://eprints.umi.ac.ma/id/eprint/1626

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