Abstract
Primary photoreactions of riboflavin (Rf) are considered. The goal was to present data on the transients formed under photoexcitation of Rf: excited singlet and triplet states, triplet reactions with the formation of Rf neutral free radicals, and a radical anion. The absorption spectra of transients are presented, as are the rate constants of their decay. Special attention is devoted to Rf in water (aerobic and anaerobic reactions).
Keywords: Riboflavin, vitamin B2, free radicals of riboflavin, riboflavin as a photoinitiator, reactions with dioxygen.
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