riboflavine


ri·bo·fla·vin

, riboflavine (rī'bō-flā'vin), A heat-stable factor of the vitamin B complex with isoalloxazine nucleotides that are coenzymes of the flavodehydrogenases. The daily adult 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. Synonym(s): flavin (1) , flavine, lactoflavin (2) , vitamin B2 (1)