Produit de Bacillus subtilis riche en protéines

What it is. Fermentation product derived from a Bacillus subtilis culture, obtained on substrates mainly of plant origin (molasses, sugar syrup, alcohol, distillery residues, cereals and starchy products, fruit juice, whey, lactic acid, sugar, plant fibre hydrolysates) and fermentation nutrients such as ammonia and mineral salts. It is characterised by a notable content of crude protein and crude ash.

What it is for. This type of product is generally used as a fermentation-derived protein source, partly replacing other protein raw materials in formulas intended for various species. It may also be valued for the microbial biomass contributed by the fermentation process. The choice of dose and inclusion level is a formulation matter, based on the crude protein and crude ash profile of the batch concerned.

Points to watch. Crude protein and crude ash content must be checked batch by batch, as these values may vary depending on the fermentation substrate used. Propionic acid must be declared if its content exceeds 0.5%, which affects labelling. Variability linked to the nature of the substrate (molasses, cereals, whey, etc.) requires quality control on receipt.