经过评估，专家小组无法就银作为食品添加剂的安全性得出结论。部分原文报道如下：

 

　　Silver (E 174) is a food colour that was re-evaluated by the EFSA ANS Panel (2016). The ANS Panel concluded that the information available then, was insufficient to assess the safety of silver as food additive. The major issues included limited characterisation of silver E 174 (e.g. quantity of nanoparticles) and release of ionic silver. Following a European Commission call for further data to fill the data gap, the Panel on Food Additives and Flavourings (FAF) was requested to assess the safety of silver (E 174). One interested business operator (IBO) submitted limited data on particle size distribution and morphology, two genotoxicity studies and one subchronic study. The Panel concluded that the technical data submitted on physicochemical characterisation of all types of silver used as food additive E 174 were not adequate. As a result, the Panel was unable to propose changes to the EU specifications of E174 on particle size and morphology. As the additional information requested was not provided, the assessment was based solely on the submitted data. Nonetheless, given the data provided and silver insolubility in water, the Panel concluded that E174 requires risk assessment at the nanoscale following the EFSA Guidance on Risk assessment of nanomaterials to be applied in the food and feed chain, to complement the conventional risk assessment. The Panel considered that the genotoxicity data and sub-chronic toxicity data were inadequate. Consequently, the Panel could not conclude on the safety of the food additive silver E 174.

 

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