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欧盟评估一种食品酶葡糖氧化酶的安全性

放大字体  缩小字体 时间:2022-03-07 13:45 来源:食品伙伴网 作者: 泽夕   
核心提示:2022年3月4日,欧盟食品安全局就一种葡糖氧化酶(glucose oxidase)的安全性评价发布意见。
  食品伙伴网讯  2022年3月4日,欧盟食品安全局就一种葡糖氧化酶(glucose oxidase)的安全性评价发布意见。
 
  据了解,这种食品酶是由转基因黑曲霉菌株DP-Aze23生产的,旨在用于烘焙工艺、谷物加工和鸡蛋加工中。
 
  经过评估,专家小组认为,在预期的使用条件下,不能排除饮食暴露引起过敏和诱发反应的风险,但这种情况发生的可能性很低。根据所提供的数据,评估小组得出结论,该食品酶在预期的使用条件下不会引起安全问题。部分原文报道如下:
 
  The food enzyme glucose oxidase (β-D-glucose:oxygen 1-oxidoreductase; EC 1.1.3.4) is produced with the genetically modified Aspergillus niger strain DP-Aze23 by Danisco US, Inc. The genetic modifications do not give rise to safety concerns. The food enzyme is considered free from viable cells of the production organism and its DNA. It is intended to be used in baking processes, cereal-based processes and egg processing. based on the maximum use levels, dietary exposure to the food enzyme-total organic solids (TOS) was estimated to be up to 0.05?mg TOS/kg body weight (bw) per day in European populations. Genotoxicity tests did not indicate a safety concern. The systemic toxicity was assessed by means of a repeated dose 90-day oral toxicity study in rats. The Panel identified a no observed adverse effect level of 19.55?mg TOS/kg bw per day, the highest dose tested, which, when compared with the estimated dietary exposure, results in a margin of exposure above 380. A search for similarity of the amino acid sequence of the food enzyme to known allergens was made and one match was found. The Panel considered that, under the intended conditions of use, the risk of allergic sensitisation and elicitation reactions by dietary exposure cannot be excluded, but the likelihood for this to occur is considered to be low. based on the data provided, the Panel concluded that this food enzyme does not give rise to safety concerns, under the intended conditions of use.
 
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日期:2022-03-07
 
 地区: 欧盟 国外
 行业: 进出口
 标签: 食品 欧盟食品安全局
 科普: 食品 欧盟食品安全局
 
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