北京
核心提示：2024年1月12日，欧盟食品安全局就一种葡聚糖1，4-α-麦芽水解酶（glucan 1,4-α-maltohydrolas）的安全性评价发布意见。……（世界食品网-www.shijieshipin.com）
2024年1月12日，欧盟食品安全局就一种葡聚糖1，4-α-麦芽水解酶（glucan 1,4-α-maltohydrolas）的安全性评价发布意见。
据了解，这种食品酶是由转基因枯草芽孢杆菌菌株BABSC生产的，旨在用于烘焙工艺和淀粉加工以生产葡萄糖浆和其他淀粉水解产物。
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。由于缺乏充分描述生产菌株的适当数据，专家小组无法就该食品酶在预期使用条件下的安全性得出结论。部分原文报道如下：
The food enzyme glucan 1,4-α-maltohydrolase (4-α-d-glucan α-maltohydrolase, EC 3.2.1.133) is produced with the genetically modified Bacillus subtilis strain BABSC by Advanced Enzyme Technologies Ltd. The requirements for the qualified presumption of safety (QPS) approach have not been met. The food enzyme is free from viable cells of the production organism and its DNA. It is intended to be used in baking processes and starch processing for the production of glucose syrups and other starch hydrolysates. Since residual amounts of total organic solids (TOS) are removed, dietary exposure was not calculated for starch processing for the production of glucose syrups and other starch hydrolysates. For baking processes, the dietary exposure was estimated to be up to 0.101 mg TOS/kg body weight per day in European populations. No toxicological studies were provided by the applicant. A search for the similarity of the amino acid sequence of the food enzyme to known allergens was made and one match with a respiratory allergen was found. The Panel considered that the risk of allergic reactions by dietary exposure cannot be excluded, but the likelihood is low. In the absence of appropriate data to fully characterise the production strain, the Panel was unable to conclude on the safety of the food enzyme under the intended conditions of use.
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