B2 (Riboflavin) is a water-soluble vitamin essential for energy production and cellular function. It acts as a coenzyme in various biochemical reactions, particularly in the metabolism of carbohydrates, fats, and proteins.
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Riboflavin is crucial for the conversion of food into energy by aiding in the electron transport chain.
Deficiency in riboflavin can lead to ariboflavinosis, characterized by sore throat, redness and swelling of the lining of the mouth and throat, cracks or sores on outsides of the lips (cheilosis) and inflammation and redness of the tongue (magenta tongue).
It plays an important role in maintaining healthy skin, eyes, and nerve functions.
Riboflavin is commonly found in foods like milk, eggs, nuts, enriched flour, and green vegetables.
Excess riboflavin is excreted through urine, which may turn bright yellow when consumed in large amounts.
Review Questions
What role does riboflavin play in energy production?
What are common symptoms of riboflavin deficiency?
Which foods are rich sources of riboflavin?
Related terms
Coenzyme: A non-protein compound necessary for the functioning of an enzyme.
Ariboflavinosis: A condition caused by riboflavin deficiency with symptoms such as sore throat and inflammation of the mouth.
Electron Transport Chain: A series of protein complexes that transfer electrons from electron donors to electron acceptors via redox reactions to form ATP.