AbstractFollowing a request from the European Commission, EFSA was asked to deliver a scientific opinion on the assessment of the application for the renewal of authorisation of thaumatin as a sensory additive (flavouring compound) for all animal species. The applicant requested a change in the authorising regulation for the minimum content of nitrogen and protein in the specification of the additive. The EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) confirms that the use of thaumatin under the current authorised conditions of use is safe for the target species, the consumers and the environment. This conclusion can be extended to the newly proposed specification. Due to its proteinaceous nature, the additive is considered to be a respiratory sensitiser. Thaumatin is not irritant to the eyes and the skin. In the absence of data, no conclusion on skin sensitisation could be made. The proposed modification of the specification of the additive is not considered to have an impact on the efficacy of thaumatin.