riboflavin, riboflavine

riboflavin, riboflavine
A heat-stable factor of the vitamin B complex whose isoalloxazine nucleotides are coenzymes of the flavodehydrogenases. The daily human requirement is 1.7 mg for adult men and 1.3 mg for adult women, with a higher daily requirement during pregnancy and lactation; dietary sources include green vegetables, liver, kidneys, wheat germ, milk, eggs, cheese, and fish. SYN: flavin (1), flavine, lactoflavin (2), vitamin B2 (1).
- r. kinase a cytosolic enzyme catalyzing the formation of flavin mononucleotide (r. phosphate) from r., utilizing ATP as phosphorylating agent. SYN: flavokinase.
- methylol r. a mixture of methylol derivatives of r. formed by the action of formaldehyde on r. in weakly alkaline solution; it has the same action as r., but is preferred for parenteral administration.

Medical dictionary. 2011.

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  • riboflavine — [ riboflavin ] n. f. • v. 1953; de ribo et flavine ♦ Biochim. Vitamine B2 présente dans les céréales, les légumes, la levure de bière et actuellement obtenue par synthèse. ⇒ lactoflavine. ● riboflavine nom féminin Synonyme de lactoflavine. ●… …   Encyclopédie Universelle

  • riboflavin — [rī′bə flā΄vin] n. [ RIBO(SE) + FLAVIN] a yellow crystalline B vitamin, C17H20N4O6, found in milk, eggs, liver, kidney, fruits, leafy vegetables, yeast, etc.; vitamin B2: its deficiency in the diet causes stunted growth, loss of hair, etc.: also… …   English World dictionary

  • Riboflavine — Vitamine B2 Pour les articles homonymes, voir B2. Riboflavine …   Wikipédia en Français

  • riboflavin — /ruy boh flay vin, ruy boh flay , beuh /, n. Biochem. a vitamin B complex factor appearing as an orange yellow, crystalline compound, C17H20N4O6, derived from ribose, essential for growth, found in milk, fresh meat, eggs, leafy vegetables, etc.,… …   Universalium

  • Riboflavin phosphotransferase — In enzymology, a riboflavin phosphotransferase (EC number|2.7.1.42) is an enzyme that catalyzes the chemical reaction:alpha D glucose 1 phosphate + riboflavin ightleftharpoons D glucose + FMNThus, the two substrates of this enzyme are alpha D… …   Wikipedia

  • riboflavine — noun see riboflavin * * * riboflavin /rī bō flāˈvin/ or riboflāˈvine / vēn/ noun (L flāvus yellow) a member of vitamin B complex, in yellowish brown crystals, promoting growth in children • • • Main Entry: ↑ribose …   Useful english dictionary

  • riboflavin — /raɪboʊˈfleɪvən / (say ruyboh flayvuhn) noun vitamin B2, one of the vitamins in the vitamin B complex found in green vegetables, fish, milk, etc. Also, riboflavine /raɪboʊˈfleɪvin/ (say ruyboh flayveen). {ribo(se) + flavin} …  

  • riboflavin — n. (also riboflavine) a vitamin of the B complex, found in liver, milk, and eggs, essential for energy production. Also called vitamin B2. Etymology: RIBOSE + L flavus yellow …   Useful english dictionary

  • Benzaminblau — Strukturformel Allgemeines Name Trypanblau Andere Namen 3,3 Dimethyl 4,4 bis(5 amino 4 hydroxy 2,7 disulfonaphtyl 3 azo) [1,1 biphenyl …   Deutsch Wikipedia

  • Direkt Blau 14 — Strukturformel Allgemeines Name Trypanblau Andere Namen 3,3 Dimethyl 4,4 bis(5 amino 4 hydroxy 2,7 disulfonaphtyl 3 azo) [1,1 biphenyl …   Deutsch Wikipedia

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