Description
What it is. Thaumatin is a natural protein-based substance obtained from the arils of the fruit of Thaumatococcus daniellii (Benth). It consists of the polypeptides thaumatin I and thaumatin II, each made up of 207 amino acids, with a minimum nitrogen content of 15.1% on a dry matter basis, corresponding to at least 93% protein.
What it is for. It is classified as a sensory additive, functional group 2b, flavouring compound, authorised for all animal species. It is generally used to modify or enhance the taste profile of feed, particularly to improve palatability. As a flavouring substance, its use is assessed case by case depending on the formulation and target species.
Points to watch. The label of the additive must state a recommended maximum content of 5 mg of active substance per kg of complete feed at 12% moisture. Storage conditions and heat-processing stability must be specified in the instructions for use of the additive and premixtures. Purity specifications limit sugars to a maximum of 3%, sulphated ash to 2%, and aluminium to 100 mg/kg, all on a dry matter basis.
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