Vitamin B-12 is a water-soluble crystalline compound that contains phosphorus, nitrogen, and cobalt. The latter gives it a rich red color. It is heat stable in neutral solutions, but it is destroyed by heat in both acid and alkaline mediums. It is also sensitive to light and is destroyed by heavy metals and strong oxidizing and reducing agents.
Vitamin B-12 is the most complex compound of the vitamins. Its chemical symbol is C63H90CON14O14P. It contains ...
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