Meaning of flavin in English:


Pronunciation /ˈfleɪvɪn/


  • Any of a group of naturally occurring pigments including riboflavin. They have a tricyclic aromatic molecular structure.

    ‘Cellular flavins and flavin adenine dinucleotides and mononucleotides exist mostly as cofactors for enzymes involved in oxidation-reduction reactions.’
    • ‘Studies performed on cultured mammalian cell lines demonstrate that most of the cell fluorescence arises from reduced pyridine nucleotides, flavins, and lipofuscin.’
    • ‘Most studies of UVA and violet-blue light responses have implicated carotenoids and flavins as molecular photoreceptors.’
    • ‘They reported peaks consistent with tryptophan, nicotinic coenzymes and flavins in both suspensions.’
    • ‘They measured the emission spectrum and attributed the autofluorescence to flavins.’


Mid 19th century from Latin flavus ‘yellow’ + -in.