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Safety and efficacy of vitamin B2 (riboflavin) produced by Ashbya gossypii for all animal species based on a dossier submitted by BASF SE

The European Commission asked EFSA for an opinion on the safety for the target animals, consumer, user and the environment and on the efficacy of a riboflavin-based additive (minimum 80%) produced by a genetically modified strain of Ashbya gossypii ( ). It is intended to be used in feed for all animal species and categories. The additive under assessment does not give rise to safety concerns on the genetic modification of the production strain. The additive contains 80% of riboflavin (vitamin B2) and 20% of spent growth medium. The additive is safe for target animals with a wide margin of safety. The use of riboflavin 80% produced by A. gossypii in animal nutrition does not represent a safety concern for consumers. The Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) cannot draw a final conclusion on the risk posed for the user by inhalation of riboflavin produced by A. gossypii and on the potential to be irritant to skin or eyes. The product under assessment is not a skin sensitiser; however, riboflavin is a known photosensitiser. The use of riboflavin produced by A. gossypii in animal nutrition does not pose a risk to the environment. The additive is regarded as an effective source of riboflavin in covering the animal’s requirement when administered via feed. The FEEDAP Panel made recommendations on the description of the additive.



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