欧盟评估一种β-半乳糖苷酶的安全性

　　食品伙伴网讯  2019年10月22日，欧盟食品安全局（EFSA）发布关于来自芽孢杆菌菌株M3‐1的β-半乳糖苷酶（β-Galactosidase）安全性的评估结果。

 

　　据了解，芽孢杆菌菌株M3‐1由GenoFocus Inc.公司生产。这种食品酶旨在用于生产低聚半乳糖（Galactooligosaccharides，GOS）。经过评估，专家小组得出结论，这种食品酶在预期使用条件下不会引起安全问题。

 

　　部分原文报道如下：

 

　　The food enzyme β‐d‐galactosidase galactohydrolase （EC 3.2.1.23） is produced with Bacillus sp. strain M3‐1 by GenoFocus Inc. The food enzyme β‐galactosidase is intended to be used in the manufacture of galactooligosaccharides （GOS）。 Since residual amounts of total organic solids are removed by the purification steps applied during the production of GOS, toxicological studies were considered not necessary and no dietary exposure was calculated. Similarity of the amino acid sequence of the food enzyme to those of known allergens was searched and no 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 of such reactions 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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