| riboflavin | <biochemistry> Ribose attached to a flavin moiety that becomes part of FAD and FMN. (23 Aug 1998) |
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| riboflavin 5'-phosphate | <biochemistry> This biomolecule serves as a coenzyme for some enzymes that catalyse oxidation-reduction reactions. (09 Oct 1997) |
| riboflavin deficiency | A dietary deficiency of riboflavin causing a syndrome chiefly marked by cheilitis, angular stomatitis, glossitis associated with a purplish red or magenta-coloured tongue that may show fissures, corneal vascularization, dyssebacia, and anaemia. (12 Dec 1998) |
| riboflavin kinase | A cytosolic enzyme catalyzing the formation of flavin mononucleotide (r. Phosphate) from riboflavin, utilizing ATP as phosphorylating agent. Synonym: flavokinase. (05 Mar 2000) |
| riboflavin permease | <chemical> Chemical name: permease, riboflavin (26 Jun 1999) |
| riboflavin synthase | <enzyme> An enzyme that catalyses the formation of riboflavin from two molecules of 6,7-dimethyl-8-ribityllumazine, utilizing a four-carbon fragment from one molecule which is transferred to the second molecule. Chemical name: 6,7-Dimethyl-8-(1-D-ribityl)lumazine:6,7-dimethyl-8-(1-D-ribityl)lumazine 2,3-butanediyltransferase Registry number: EC 2.5.1.9 (12 Dec 1998) |
| riboflavin unit | Potency usually expressed in terms of weight of pure riboflavin. See: Sherman-Bourquin unit of vitamin B2. Synonym: vitamin B2 unit. (05 Mar 2000) |
| riboflavinoid | <biochemistry> Member of the water soluble B vitamin group, important in energy production and the production of red blood cells (23 Aug 1998) |
| maltose-riboflavin glucosyltransferase | <enzyme> Elevated in diabetic patients Registry number: EC 2.4.1.- Synonym: m-r glucosyltransferase (26 Jun 1999) |
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| methylol riboflavin | A mixture of methylol derivatives of riboflavin formed by the action of formaldehyde on riboflavin in weakly alkaline solution; it has the same action as riboflavin, but is preferred for parenteral administration. (05 Mar 2000) |