Description
What it is. Cyanocobalamin (vitamin B12) is a nutritional additive obtained by fermentation using Ensifer adhaerens CGMCC 19596. The active substance (C63H88CoN14O14P, CAS 68-19-9) is supplied as a solid with a purity of at least 96% on a dry matter basis.
What it is for. It belongs to functional group 3a (vitamins, provitamins and related substances) and is authorised for all animal species. It is generally used to cover vitamin B12 requirements in compound feed or premixes, supporting metabolic functions such as cell division and nervous system function.
Points to watch. Storage conditions and stability under heat treatment must be specified in the instructions for use of the additive and premixes. The additive must meet an endotoxin content and dust potential ensuring a maximum exposure of 1,600 IU/m3 of air, and handlers must use personal protective equipment including respiratory and skin protection where risks cannot otherwise be controlled.
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