Vitamin B12

  • Origin: China
  • CAS Number: 68-19-9
  • HS Code: 293626
Physical State
Solid
Appearance / Color
Dark red to reddish powder
Odor
Odorless
Moisture Content (%)
<5%
Synonyms & Trade Names
Cyanocobalamin; Cobalamin; Vitamin B12 1%
Total Plate Count (TPC)
<50,000 CFU/g

Categories

Technical Document

Brief Overview
Cyanocobalamin or well-known as synthetically produced Vitamin B12 is an additive in animal feed to overcome the deficiency of vitamin B12 in animals with pernicious anemia and other conditions. Methylcobalamin and adenosylcobalamin are used in an animal body through the conversion of cyanocobalamin. Cyanocobalamin crystalline is powdery within the dark red color.
Manufacturing Process
The present invention relates to a process for producing vitamin B12 comprises the steps of culturing a strain of the genus Propionibacterium in a first fermenter under anaerobic conditions to obtain a culture of Propionibacterium, transferring at least part of the culture obtained in the previous step to a second fermenter and subjecting this culture to oxygen, replacing in the first fermenter part of the volume transferred in the previous step with fresh culture medium and repeating all the steps at least once.