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Chapter: 11th Nutrition and Dietetics : Chapter 11 : Vitamins, Minerals and Water

Vitamin B12 (Cyanocobalamin) : Functions, Food Sources, Symptoms of deficiency

The vitamin is named as cyanocobalamin because of the presence of cobalt and cyanide in its structure.

Vitamin B12 (Cyanocobalamin)

The vitamin is named as cyanocobalamin because of the presence of cobalt and cyanide in its structure. It can be absorbed in the body only in the presence of intrinsic factor (IF).

Functions

·         It is essential for the production and regeneration of red blood cells.

·         It improves concentration, memory and balance.

·         It synthesises and regulates DNA.

·         It plays an important role in normal functioning of brain and nervous system.

·         It also helps to absorb folic acid.

Food Sources of Cyanocobalamin

Cyanocobalamin is synthesized by bacteria and is found in foods of animal origin. Liver is the richest source of cyanocobalamin. Meat, chicken, oysters, eggs, fish, milk, curd, cheese are good sources of Vitamin B12.



Symptoms of Cyanocobalamin deficiency:

·         Loss of memory

·         Fatigue

·         Anemia

·         Severe and irreversible damage to the nervous system and brain

·         Pernicious anaemia is caused due to its deficiency in the body which is an immune system disease.


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11th Nutrition and Dietetics : Chapter 11 : Vitamins, Minerals and Water : Vitamin B12 (Cyanocobalamin) : Functions, Food Sources, Symptoms of deficiency |

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11th Nutrition and Dietetics : Chapter 11 : Vitamins, Minerals and Water


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