维生素E做饲料添加剂的安全性

牧童

Safety of Vitamin E as a Feed Additive
EU - An investigation into the use of vitamin E as a supplement in animal feed, has found that there is no concern for consumers when it is used at practical levels.



The study was launched following a request from European Commission to the European Food Safety Authority to deliver a scientific opinion on the safety and efficacy of vitamin E as a feed additive for all animal species.

Vitamin E is a well-established micro-nutrient for all animal species. Vitamin E-based additives are globally used in animal nutrition, and have been for decades, to prevent vitamin E deficiency.

The Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) examined data from three active substances (all-rac-a-tocopheryl acetate, RRR-a-tocopheryl acetate and RRR-a-tocopherol) currently authorised as vitamin E. The biopotency of these forms is different: one International Unit (IU) of vitamin E is defined as 1 mg all-rac-a-tocopheryl acetate, as 0.74 mg of RRR-a-tocopheryl acetate and as 0.67 mg of RRR-a-tocopherol.

The additives described containing those forms of vitamin E do not present major stability or homogeneity issues. However, sensitivity to light and moisture, as well as to oxygen and heat for RRR-preparations, must be appropriately managed in order to maintain the amount of vitamin E nominally available to farm animals.

Vitamin E at the current use levels is safe for all animal species. Information on hypervitaminosis E is not sufficiently consistent to derive a maximum content for vitamin E in feedingstuffs, based on safety for target species.

A conservative consumer exposure assessment indicates that the UL (300 mg a-tocopherol equivalents/day) is not exceeded even assuming high background intake and levels in animal feeds far higher than practical use. The FEEDAP Panel concludes that the use of vitamin E at practical use levels is safe for the consumer.

No concern for user safety is expected from the use of the active substances vitamin E in feed additives. However, to draw conclusions on the final formulated additives, specific studies would be required.

Vitamin E occurs in nature and its use in animal nutrition will not result in a substantial increase in concentration in the environment. Therefore, no concern for the environment is expected.

All-rac-a-tocopheryl acetate, RRR-a-tocopherol and RRR-a-tocopheryl acetate are efficacious in all animal species in satisfying the requirements for vitamin E.

The FEEDAP Panel makes specific recommendations concerning (i) labelling of vitamin E in IU, (ii) restricting the use of oily RRR-a-tocopherol to premixture manufacturers, (iii) the introduction of a recommended maximum of 200 IU vitamin E/kg complete feedingstuffs, (iv) the specification of the additives.

horse

看起来不容易啊 ， 谁英语水平好，总结重点说说看！

chen0529ing

有高手翻译一下撒

zwhxsq8198

在这里秀你的英文吗？强烈鄙视！！！

zwhxsq8198

　安全的维生素E作为饲料添加剂
　　欧盟-调查使用维生素E作为补充在动物饲料,发现有不关心消费者时,它是用于实际水平。
　　
　　
　　
　　这项研究是由发起要求欧洲委员会对欧洲的食品安全当局提供了科学的观点的安全性和有效性的维生素E作为饲料添加剂为所有的动物。
　　
　　维生素E是成熟micro-nutrient为所有的动物。维生素E-based添加剂是全球用于动物营养,并且已经数十年,以防止维生素E不足。
　　
　　这个小组和产品或物质的添加剂饲料(FEEDAP用于检测数据从3)的活性物质(all-rac-a-tocopheryl酯、醋酸乙烯和RRR-a-tocopherol RRR-a-tocopheryl作为维他命E)已获的biopotency这些形式是不同的:一个国际单位(IU)的维生素E被定义为1毫克all-rac-a-tocopheryl酯、醋酸RRR-a-tocopheryl作为0.74毫克)和0.67毫克的RRR-a-tocopherol。
　　
　　描述了添加剂包含那些形式的维生素E不是主要的稳定性和沥青混合料均匀性问题。然而,灵敏度光照和水分,以及对氧和加热RRR-preparations,必须妥善保管,为了维护量的维生素E名义上可供农场的动物。
　　
　　在当前的使用维生素E是安全的,所有的动物。hypervitaminosis E的信息并没有得到充分一致得到最大的内容,维生素E,feedingstuffs基于安全为目标的物种。
　　
　　一个保守的消费者暴露评估表明,UL(300毫克/天)a-tocopherol等价物是不超过即使高背景摄入和水平在动物饲料远高于实际用处。这个FEEDAP小组得出的结论是,使用维生素E在实际运用层次消费者是安全的。
　　
　　不考虑用户的安全将因使用活性物质维生素E在饲料添加剂。然而,在最后得出结论,具体研究制定添加剂是不可能完成的。
　　
　　维生素E发生在自然和它在动物营养并不会导致大幅增加,集中在这个环境。因此,没有对环境的关心。
　　
　　All-rac-a-tocopheryl酯、醋酸是有效RRR-a-tocopherol和RRR-a-tocopheryl在所有动物在满足要求,维生素E。
　　
　　FEEDAP小组的建议等进行具体的(我)标签,维生素E,(2)限制IU的使用,premixture制造商,RRR-a-tocopherol油(3)引入推荐的最大的200 IU维生素E /公斤完整的feedingstuffs,(4),有其特定的添加剂。

lizhengwei

现在看到英语就头痛。

孔跃龙

不错 多发一些

孔跃龙 于 2010-9-24 09:42 补充以下内容

王老师谦虚了 我是你学生 好几年不见了

thesea1215

面对这篇文章的时候，我泪流满面，我想起我初中到大学的所有的英语老师们，他们是那么的敬业与执着，孜孜不倦的教育一个顽固的学生，而这个学生总是敷衍了事的去学习一门本不属于自己的语言。但是老师和学生还是一直坚持着，一个耐心教，一个坚持学，这一切都是为了那该死的分数。老师成功了，他的学生取得了应有的分数，学生也成功了，他一步一步终于全部过关。但是现在，在面对这篇文章，突然发现记忆中除了那些老师，对这些符号组成的东西我一个都不认识。

牧童

回复 8# thesea1215
文笔流畅而不繁琐，
文采飞扬而不跋扈，
道出了千千万万个靴子的心声，
代表了万万千千个国人的意志，
情真意切，
流露自然，
没有丝毫做作，
更无半点狂放。
修炼如斯，
只好顶你。

qq522308088

看不懂，就乱顶