据了解，这种食品酶是由非转基因塔宾曲霉菌株LYX生产的，旨在用于烘焙过程和基于谷物的过程、/div>
经过评估，专家小组认为，在预期的使用条件下，不能排除通过饮食接触引起过敏反应的风险，但这种情况发生的可能性很低。根据所提供的数据，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 endo-1,4--xylanase (4--d-xylan xylanohydrolase, EC 3.2.1.8) is produced with the non-genetically modified microorganism Aspergillus tubingensis strain LYX by DSM Food Specialties B.V. The food enzyme was co
nsidered free from viable cells of the production organism. It is intended to be used in baking processes and cereal-ba
sed processes. Dietary exposure to the food enzymeCtotal organic solids (TOS) was estimated to be up to 0.106 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 227 mg TOS/kg bw per day, the highest dose tested, which when compared with the estimated dietary exposure, resulted in a margin of exposure of at least 2,142. A search for the similarity of the amino acid sequence of the food enzyme to known allergens was made and no match was found. The Panel co
nsidered that, under the intended co
nditions of use, the risk of allergic reactions by dietary exposure cannot be excluded, but the likelihood is low. ba
sed on the data provided, the Panel co
ncluded that this food enzyme does not give rise to safety concerns, under the intended co
nditions of use.
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