Cobalt salt as a rare element is essential in the synthesis of this vitamin.
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Vitamin B-12, also called as cobalamin, is a water-soluble vitamin with a key role in the normal functioning of the brain and nervous system, and for the formation of red blood cells.
Vitamin B-12 consists of a class of chemically related compounds (vitamers), all of which have vitamin activity. It contains the biochemically rare element cobalt, sitting in the center of a planar tetra-pyrrole ring, called as a corrin ring. The deficiency of B-12 gives rise to pernicious anemia.
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