食品伙伴网讯2020?2?6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L-赖氨酸浓缩液体(co
ncentrated liquid L‐lysine (ba
se))和L-赖氨酸盐酸盐(L‐lysine monohydrochloride)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
据条例,这种L-赖氨酸浓缩液体和L-赖氨酸盐酸盐由谷氨酸棒杆菌KCCM 80216发酵产生。经过评估,专家小组认为该添加剂对所有动物物种、消费者和环境是安全的。L-赖氨酸浓缩液体和L-赖氨酸盐酸盐被认为是非反刍动物物种必需氨基酸L-赖氨酸的有效来源。为了使补充的赖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 co
ncentrated liquid l‐lysine (ba
se, minimum 50%) and l‐lysine mo
nohydrochloride (HCl, minimum 99%) produced by fermentation with a genetically modified strain of Corynebacterium glutamicum (KCCM 80216) as nutritio
nal additives for all animal species. Neither the production strain nor its recombinant DNA was detected in the final products. The additives do not pose any safety co
ncern associated with the genetic modification of the production strain. Co
ncentrated liquid l‐lysine (ba
se) and l‐lysine HCl produced by C. glutamicumKCCM 80216 do not represent a risk for the target species, the co
nsumer and the environment. From the results of studies on the safety for the user of co
ncentrated liquid l‐lysine (ba
se) and l‐lysine HCl produced by a different production strain, it was possible to co
nclude on the safety for the user of the products under assessment. The co
ncentrated liquid l‐lysine (ba
se) and the l‐lysine HCl are not irritant to skin or eyes or skin sensitiser. l‐lysine HCl is not hazardous by inhalation. l‐lysine HCl and co
ncentrated liquid l‐lysine (ba
se) are co
nsidered as efficacious sources of the essential amino acid l‐lysine for non‐ruminant animal species. For the supplemental l‐lysine to be as efficacious in ruminants as in non‐ruminant species, it would require protection against degradation in the rumen.
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