欧盟评估一种L-组氨酸盐酸盐-水合物作为所有动物饲料添加剂的安全性和有效�?/h1>

发布日期�?021-06-01 来源：食品伙伴网 作者：泽夕

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核心提示�?021�?�?1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）研究小组就大肠杆菌 NITE SD 00268生产的L-组氨酸盐酸盐-水合物（l-histidine monohydrochloride monohydrate）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、�/div>

　　 食品伙伴网讯2021�?�?1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）研究小组就大肠杆菌 NITE SD 00268生产的L-组氨酸盐酸盐-水合物（l-histidine mo nohydrochloride monohydrate）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，专家小组认为在建议的使用条件下该添加剂对消费者和环境是安全的。在缺乏数据的情况下，无法得出添加剂吸入后可能有毒、对眼睛有刺激性或对皮肤过敏的结论。评估中的添加剂被认为是氨基酸L-组氨酸的有效来源。为了使补充的L-组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 l-histidine mo nohydrochloride (HCl) mo nohydrate produced by fermentation with Escherichia coli (NITE SD 00268) when used as a nutritio nal additive or as a feed flavouring compound in feed for all animal species. The active substance of the additive is l-histidine. The production strain has been modified by co nventional mutagenesis and it does not raise safety concerns. The additive under assessment is safe for the target species when used as a nutritio nal additive to supplement the diet in appropriate amounts to cover the requirements, depending on the species, the physiological state of the animal, the performance level, the enviro nmental conditions, the background amino acid composition of the unsupplemented diet and the status of some essential trace elements. This co nclusion would cover its use as flavouring compound. l-Histidine HCl mo nohydrate produced by E. coli NITE SD 00268, when used at the proposed co nditions of use, is safe for the co nsumer and for the environment. l-Histidine HCl mo nohydrate produced using E. coli NITE SD 00268 is not a skin irritant. In the absence of data, it is not possible to co nclude on the potential of the additive to be toxic by inhalation, irritant to eyes or a skin sensitiser. The additive l-histidine HCl mo nohydrate is regarded as an effective source of the amino acid l-histidine when used as a nutritio nal additive. For the supplemental l-histidine to be as efficacious in ruminants as in non-ruminant species, it would require protection against degradation in the rumen. l-Histidine is efficacious as a flavouring compound.

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关键词： 欧盟食品安全局 饲料添加剁�/a> EFSA 大肠杆菌 盐酸 动物

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