Ariboflavinosis, riboflavin deficiency, is a rare condition that often occurs with other nutrient deficiencies. The symptoms of this condition are shown in the figure below.
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Figure 10.421 The symptoms of riboflavin deficiency1
The most notable symptoms include angular stomatitis (aka angular cheilitis, like cheilosis), which is a lesion that forms at the corners of the mouth as shown below.
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Figure 10.422 Angular Cheilitis2
Glossitis is the inflammation of the tongue, which can be accompanied by redness or inflammation of the oral cavity. Dermatitis is also frequently a symptom3,4.
There has been no toxicity of riboflavin reported.
References & Links
1. http://www.fao.org/docrep/W0073e/p206.gif
2. http://en.wikipedia.org/wiki/File:Angular_Cheilitis.JPG
3. Gropper SS, Smith JL, Groff JL. (2008) Advanced nutrition and human metabolism. Belmont, CA: Wadsworth Publishing.
4. Byrd-Bredbenner C, Moe G, Beshgetoor D, Berning J. (2009) Wardlaw’s perspectives in nutrition. New York, NY: McGraw-Hill.
Candela Citations
- Kansas State University Human Nutrition Flexbook. Authored by: Brian Lindshield. Provided by: Kansas State University. Located at: http://goo.gl/vOAnR. License: CC BY: Attribution