北京
核心提示：2026年9月25日，欧盟食品安全局就一种由内切-1，3(4)-β-葡聚糖酶、内切-1，4-β-木聚糖酶和纤维素酶组成的食品酶的安全性评价发布意见。……（世界食品网-www.shijieshipin.com）
2026年9月25日，欧盟食品安全局就一种由内切-1，3(4)-β-葡聚糖酶、内切-1，4-β-木聚糖酶和纤维素酶组成的食品酶的安全性评价发布意见。
据了解，这种食品酶是由非转基因Mycothermus thermophiloides菌株NZYM-ST生产的，旨在用于4种食品生产过程。
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 containing endo-1,3(4)-β-glucanase (3-(1,3;1,4)-β-d-glucan 3(4)-glucanohydrolase, EC 3.2.1.6), endo-1,4-β-xylanase (4-β-d-xylan xylanohydrolase, EC 3.2.1.8) and cellulase (4-(1,3;1,4)-β-d-glucan-4-glucanohydrolase, EC 3.2.1.4) activities is produced with the non-genetically modified Mycothermus thermophiloides strain NZYM-ST by Novozymes A/S. The safety of this food enzyme was evaluated previously, and it did not give rise to safety concerns when used in two food manufacturing processes. Subsequently, the applicant has requested to extend its use to include two additional processes. In this assessment, EFSA updated the safety evaluation of this food enzyme when used in a total of four food manufacturing processes. The dietary exposure to the food enzyme–Total Organic Solids (TOS) was calculated to be up to 0.511 mg TOS/kg body weight (bw) per day in European populations. When combined with the no observed adverse effect level previously reported (620 mg TOS/kg bw per day, the highest dose tested), the Panel derived a margin of exposure of at least 1213. based on the revised exposure estimation, the newly derived margin of exposure and the previous evaluation, the Panel concluded that this food enzyme does not give rise to safety concerns under the revised intended conditions of use.
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