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Radical oxidation of riboflavin

Fox, J.B.; Thayer, D.W.

International Journal for Vitamin and Nutrition Research. Internationale Zeitschrift für Vitamin- und Ernahrungsforschung. Journal International de Vitaminologie et de Nutrition 68(3): 174-180

1998

ISSN/ISBN: 0300-9831
PMID: 9637948
Document Number: 491684
Riboflavin, lumiflavin and lumichrome were produced by light catalysis and gamma irradiation. Their formation under various conditions was determined, and a number of intermediates identified. Fluorescence excitation and emission spectra were determined for the compounds and compared with the absorbency spectra. While lumiflavin predominated in alkali and lumichrome in neutral solutions in the light-catalyzed reaction, all products were produced to some extent under all conditions. Gamma radiation resulted only in the formation of lumichrome, with no observable intermediates.

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