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Coproduit de la production de glucono-δ-lactone, riche en acide gluconique

Feed material Fermentation products Authorised in animal feed (EU)

Description

What it is. This liquid coproduct comes from the production of food-grade glucono-δ-lactone, obtained by fermentation using Gluconobacter oxydans or Aspergillus niger. It results from the crystallisation step and contains at least 50% gluconic acid.

What it is for. This type of fermentation product is generally used as a source of gluconic acid in compound feed, with no numerical dosage indication in the available sources. It falls within the fermentation products category in animal feed and may concern various species depending on formulation. Its use fits into a logic of valorising an industrial coproduct.

Points to watch. The guaranteed minimum content of gluconic acid is 50%, the constituent to be declared. Given its fermentation origin, batch-to-batch compositional variability should be anticipated, along with attention to storage conditions for a liquid coproduct.

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