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当前位置: 首页 » 食品资讯 » 外讯导读 » 欧盟评估一种L-缬氨酸作为所有动物饲料添加剂的安全性和有效性

欧盟评估一种L-缬氨酸作为所有动物饲料添加剂的安全性和有效性

放大字体  缩小字体 时间:2021-04-21 09:53 来源:食品伙伴网 作者: 泽夕   
核心提示:2021年4月19日,据欧盟食品安全局(EFSA)消息,应欧盟委员会要求,欧盟动物饲料添加剂和产品(FEEDAP)研究小组就谷氨酸棒杆菌CGMCC 7.366发酵生产的L-缬氨酸(L‐valine)作为所有动物饲料添加剂的安全性和有效性发表科学意见。
   食品伙伴网讯  2021年4月19日,据欧盟食品安全局EFSA)消息,应欧盟委员会要求,欧盟动物饲料添加剂和产品(FEEDAP)研究小组就谷氨酸棒杆菌CGMCC 7.366发酵生产的L-缬氨酸(L‐valine)作为所有动物饲料添加剂的安全性和有效性发表科学意见。
 
  经过评估,专家小组认为该添加剂对消费者和环境是安全的。由于缺乏数据,研究小组就该添加剂通过吸入产生毒性、对皮肤或眼睛产生刺激或作为皮肤致敏物质的可能性无法得出结论。评估中的添加剂被认为是非反刍动物物种氨基酸L-缬氨酸的有效来源。为了使补充的L-缬氨酸对反刍动物和非反刍动物同样有效,需要防止其在瘤胃中降解。部分原文报道如下:
 
  Following a request from the European Commission, the Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) was asked to deliver a scientific opinion on the safety and efficacy of the feed additive consisting of l‐valine produced by fermentation using a non‐genetically modified strain of Corynebacterium glutamicum (CGMCC 7.366). The additive is intended to be used in feed and water for drinking for all animal species and categories. The production strain is considered suitable for the qualified presumption of safety (QPS) approach to safety assessment. The FEEDAP Panel concludes that l‐valine produced using C. glutamicum CGMCC 7.366 is safe for the target species when supplemented in appropriate amounts to the diet according to the nutritional needs of the target species. The FEEDAP Panel has concerns on the use of amino acids in water for drinking for hygienic reasons, and due to the risk of imbalances when administered simultaneously via feed. The use of l‐valine produced using C. glutamicum CGMCC 7.366 in animal nutrition is considered safe for the consumer and for the environment. No conclusion could be drawn on the potential of l‐valine produced using C. glutamicum CGMCC 7.366 to be toxic by inhalation, irritant to the skin or eyes, or a dermal sensitiser due to the lack of data. The additive l‐valine produced by fermentation using C. glutamicum CGMCC 7.366 is regarded as an efficacious source of the essential amino acid l‐valine for non‐ruminant nutrition. For the supplemental l‐valine to be as efficacious in ruminants as in non‐ruminant species, it requires protection against degradation in the rumen.
 
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日期:2021-04-21
 
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