摘要：Abstract Following a request from the European Commission, the EFSA Panel on Dietetic Products, Nutrition and Allergies ( NDA ) was asked to deliver a scientific opinion on synthetic N ‐acetyl‐ d ‐neuraminic acid ( NANA ) as a novel food ( NF ) submitted pursuant to Regulation ( EC ) No 258/97. The information on the composition, the specifications, the batch‐to‐batch variability, stability and production process of the NF is sufficient and does not raise concerns about the safety of the NF . The NF is intended to be marketed as an ingredient in formulae and foods for infants and young children as well as an ingredient in a variety of foods and in food supplements for the general population. NANA is naturally present in human milk, in a bound and free form. The Margin of Exposure, which was based on the no‐observed‐adverse effect level ( NOAEL ) of 493 mg/kg body weight (bw) per day from a subchronic study and the anticipated daily intake of the NF , was considered to be sufficient for fortified foods for the general population and for food supplements for individuals above 10 years of age, as the anticipated daily intake was in the range of the exposure to free NANA from the consumption of early human milk, which is considered to be safe. The Panel concludes that the NF is safe when added to foods other than food supplements at the proposed uses and use levels for the general population; is safe in food supplements alone at the proposed uses and use levels for individuals above 10 years of age; is safe at the combined intake from fortified foods plus food supplements in individuals above 10 years of age; the safety of the NF is not established in food supplements alone at the proposed uses and use levels for individuals below 10 years of age.
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