转基因里氏木霉RF6201扩展使用食品酶果胶酯酶的安全性评价

IF 3.3 3区 农林科学 Q2 FOOD SCIENCE & TECHNOLOGY
EFSA Panel on Food Enzymes (FEZ), Holger Zorn, José Manuel Barat Baviera, Claudia Bolognesi, Francesco Catania, Gabriele Gadermaier, Ralf Greiner, Baltasar Mayo, Alicja Mortensen, Yrjö Henrik Roos, Marize L. M. Solano, Monika Sramkova, Henk Van Loveren, Laurence Vernis, Jeroen Pasch, Yi Liu
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引用次数: 0

摘要

食品酶果胶酯酶(pectin酯酶,EC 3.1.1.11)是由AB酶有限公司用转基因里氏木霉RF6201菌株生产的。此前对这种食品酶进行了安全评估,其中欧洲食品安全局得出结论,这种食品酶在五种食品生产过程中使用时不会引起安全问题。随后,申请人要求扩大其使用范围,以包括两个额外的程序。在本次评估中,EFSA更新了该食品酶在总共七个食品生产过程中使用的安全性评估。由于食品酶-总有机固体(TOS)在三个食品制造过程中被从最终食品中去除或不被带入最终食品,因此仅在其余四个过程中估计了食品酶- TOS的膳食暴露量。据计算,欧洲人群每日饮食暴露量高达0.488 mg TOS/kg体重(bw)。结合先前报告的未观察到的不良反应水平(每天1000 mg TOS/kg体重,测试的最高剂量),小组得出的暴露边际至少为2049。根据新的数据、修订后的暴露限度和先前的评估,小组得出结论,在修订后的预期使用条件下,这种食品酶不会引起安全问题。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Safety evaluation of an extension of use of the food enzyme pectinesterase from the genetically modified Trichoderma reesei strain RF6201

The food enzyme pectinesterase (pectin pectylhydrolase, EC 3.1.1.11) is produced with the genetically modified Trichoderma reesei strain RF6201 by AB Enzymes GmbH. A safety evaluation of this food enzyme was made previously, in which EFSA concluded that this food enzyme did not give rise to safety concerns when used in five 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 seven food manufacturing processes. As the food enzyme–total organic solids (TOS) are removed from or not carried into the final foods in three food manufacturing processes, the dietary exposure to the food enzyme–TOS was estimated only for the remaining four processes. The dietary exposure was calculated to be up to 0.488 mg TOS/kg body weight (bw) per day in European populations. When combined with the no observed adverse effect level previously reported (1000 mg TOS/kg bw per day, the highest dose tested), the Panel derived a margin of exposure of at least 2049. Based on the new data, the revised 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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来源期刊
EFSA Journal
EFSA Journal Veterinary-Veterinary (miscellaneous)
CiteScore
5.20
自引率
21.20%
发文量
422
审稿时长
5 weeks
期刊介绍: The EFSA Journal covers methods of risk assessment, reports on data collected, and risk assessments in the individual areas of plant health, plant protection products and their residues, genetically modified organisms, additives and products or substances used in animal feed, animal health and welfare, biological hazards including BSE/TSE, contaminants in the food chain, food contact materials, enzymes, flavourings and processing aids, food additives and nutrient sources added to food, dietetic products, nutrition and allergies.
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