Description
What it is. Lignosulphonates (E 565) are technological additives obtained as by-products of wood processing, particularly during the sulphite pulping process. They are polymeric, water-soluble sulphonated lignin salts.
What it is for. They are generally used as binding agents to improve the mechanical strength of pelleted compound feeds. Their use concerns all animal species, at all production stages, within the context of pelleted feed manufacturing. They help reduce fines and stabilise pellet structure during storage and transport.
Points to watch. Authorisation for this additive expires on 31/03/2026, which requires monitoring of its regulatory status. Composition variability depending on wood origin and manufacturing process may influence binding efficacy; no maximum numerical content is specified in the available sources.
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