食品伙伴網(wǎng)訊  2020年2月28日，據(jù)歐盟食品安全局（EFSA）消息，應歐盟委員會要求，歐盟動物飼料添加劑和產(chǎn)品（FEEDAP）研究小組就一種L-胱氨酸（L-Cystine）作為所有動物品種的飼料和飲用水的營養(yǎng)添加劑和感官添加劑的安全性與有效性發(fā)表科學意見。

 

　　據(jù)了解，這種L-胱氨酸是由菠蘿泛菌 （Pantoea ananatis）菌株NITE BP‐02525發(fā)酵產(chǎn)生。經(jīng)過評估，小組認為，這種添加劑對動物、消費者和環(huán)境是安全的，能部分有效地滿足所有動物對含硫氨基酸的需求。部分原文報道如下：

 

　　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‐cystine produced using Pantoea ananatis NITE BP‐02525 when used as a nutritional additive （amino acid） or as a sensory additive （flavouring compound） in feed and water for drinking for all animal species. l‐Cystine is a dispensable sulfur‐containing amino acid, naturally occurring in proteins of plants and animals. The amino acid l‐cystine produced by fermentation with P. ananatis NITE BP‐02525 is safe for all animal species, if the requirements for sulfur‐containing amino acids are respected. The maximum amount of l‐cystine that can be safely added to the diet will depend on the levels of other sulfur amino acids. This conclusion would also cover its use as a sensory additive. The use of l‐cystine produced by fermentation with P. ananatis NITE BP‐02525 in animal nutrition raises no safety concerns to consumers of animal products. The additive under assessment is considered slightly irritating by inhalation, not irritating to the skin or eyes and is not a skin sensitiser.

 

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