Riboflavin is a vitamin that occurs in green vegetables, milk, fish, eggs, liver, and kidney.
riboflavin in British English
or riboflavine (ˌraɪbəʊˈfleɪvɪn)
noun
a yellow water-soluble vitamin of the B complex that occurs in green vegetables, germinating seeds, and in milk, fish, egg yolk, liver, and kidney. It is essential for the carbohydrate metabolism of cells. It is used as a permitted food colour, yellow or orange-yellow (E101). Formula: C17H20N4O6
Also: vitamin B2, lactoflavin
Word origin
C20: from ribose + flavin
riboflavin in American English
(ˈraɪbəˌfleɪvɪn)
noun
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.