据了解,这种食品酶是由转基因里氏木霉菌株RF8793生产的,旨在用于3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 phospholipase A2 (phosphatidylcholine 2-acylhydrolase; EC 3.1.1.4) is produced with the genetically modified Trichoderma reesei strain RF8793 by AB Enzymes GmbH. In a previous opinion, the total organic solids (TOS) values could not be calculated, which led to the inability to establish the representativeness of the batch used for toxicological examination and to calculate the dietary exposure. In this assessment, EFSA completes the safety evaluation of this food enzyme by taking into account the chemical compositional data from new food enzyme batches. The food enzyme is intended to be used in three food manufacturing processes. Dietary exposure to the food enzyme–TOS was estimated to be up to 0.008 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 1000 mg TOS/kg bw per day, the highest dose tested, which, when compared with the estimated dietary exposure, results in a margin of exposure of at least 125,000. based on the new data and the previous evaluation, the Panel concluded that this food enzyme does not give rise to safety concerns under the intended conditions of use.
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