食品伙伴網(wǎng)訊  2019年1月31日，歐盟食品安全局發(fā)布關(guān)于來自非轉(zhuǎn)基因谷氨酸棒狀桿菌的L-纈氨酸用于飼料和飲用水的安全性和有效性的評估結(jié)果。

 

　　據(jù)了解，非轉(zhuǎn)基因谷氨酸棒桿菌菌株KCCM 11201P發(fā)酵生產(chǎn)的L-纈氨酸擬用于所有動物種類和類別的飼料和飲用水中。經(jīng)過評估，歐盟食品安全局認為看，這種L-纈氨酸的使用對目標物種是安全的，也是所有物種纈氨酸的有效來源。

 

　　部分原文報道如下：

 

　　The product subject of this assessment is l‐valine produced by fermentation using a non‐genetically modified strain of Corynebacterium glutamicum （KCCM 11201P）。 It is intended to be used in feed and water for drinking for all animal species and categories. Species identity of the production organism was confirmed and the strain was sensitive to antibiotics at concentrations below thresholds specified by EFSA, thus C. glutamicum KCCM 11201P may be considered safe by the qualified presumption of safety （QPS） approach. No viable cells of C. glutamicum were detected in the final product. The amount of identified material exceeded ■■■■■% on 'as is' basis, and no impurities of concern were detected. The use of l‐valine produced by C. glutamicum KCCM 11201P is safe for target species when supplemented to diets in appropriate amounts, for the consumer and the environment. The product l‐valine produced by C. glutamicum （KCCM 11201P） is considered not to be an irritant or a dermal sensitiser, and does not cause acute inhalation toxicity. The additive is an effective source of valine for all species. For the supplemental l‐valine to be as efficacious in ruminants as in non‐ruminant species, it requires protection against microbial degradation in the rumen.

 

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