欧盟评估一种异亮氨酸作为所有动物添加剂的安全性和有效性

　　食品伙伴网讯  2020年2月18日，据欧盟食品安全局（EFSA）消息，应欧盟委员会的要求，欧盟动物饲料添加剂和产品（FEEDAP）研究小组就谷氨酸棒杆菌KCCM 80189发酵产生的异亮氨酸（L-Isoleucine）作为所有动物品种饲料和饮用水的营养添加剂发表科学意见。

 

　　经过评估，此添加剂对目标物种、消费者和环境是安全的。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 l‐isoleucine produced by fermentation using Corynebacterium glutamicum KCCM 80189 when used as a nutritional additive in feed and water for drinking for all animal species. The production strain is not genetically modified. Viable cells of the production strain were not detected in the final additive. The additive does not give rise to any safety concern regarding the production strain. l‐Isoleucine produced using C. glutamicum KCCM 80189 is considered safe for the target species, for the consumer and for the environment. l‐Isoleucine produced by C. glutamicum KCCM 80189 is considered not toxic by inhalation, not irritant to skin or eyes and not a dermal sensitiser. Regarding the use in water, the FEEDAP Panel reiterates its concerns over the safety of l‐isoleucine administered simultaneously via water for drinking and feed owing to the risk of nutritional imbalances and hygienic reasons. l‐Isoleucine produced by C. glutamicum KCCM 80189 is considered as an efficacious source of the essential amino acid l‐isoleucine for non‐ruminant animal species. For the supplemental l‐isoleucine to be as efficacious in ruminants as in non‐ruminant species, it would require protection against degradation in the rumen.

 

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