法菲氏Komagatella LALL-LI2转基因食品酶三酰基甘油脂肪酶的安全性评价

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, Jaime Aguilera, Daniele Cavanna, Cristina Fernàndez-Fraguas, Yi Liu
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引用次数: 0

摘要

由Danstar Ferment AG以转基因法菲氏Komagatella phaffii菌株LALL-LI2为原料生产食品酶三酰基甘油脂肪酶(triacylglycerol acylhydrolase, EC 3.1.1.3)。生产应变满足安全合格推定(QPS)要求。食用酶被认为不含生产生物体的活细胞及其DNA。它的目的是用于谷物和其他谷物的加工,用于生产烘焙产品。据估计,欧洲人群每天的饮食暴露量高达0.071 mg TOS/kg体重。考虑到生产菌株的质量保证品状态和食品酶制造过程中不存在的问题,评估小组认为没有必要进行毒性测试。对三酰甘油脂肪酶的氨基酸序列与已知过敏原的同源性进行了搜索,没有发现匹配。专家小组认为,不能排除通过饮食接触该食品酶而产生过敏反应的风险,但可能性很低。根据所提供的数据,小组得出结论,在预期的使用条件下,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 the food enzyme triacylglycerol lipase from the genetically modified Komagatella phaffii strain LALL-LI2

The food enzyme triacylglycerol lipase (triacylglycerol acylhydrolase, EC 3.1.1.3) is produced with the genetically modified Komagatella phaffii strain LALL-LI2 by Danstar Ferment AG. The production strain met the requirements for the qualified presumption of safety (QPS). The food enzyme was considered free from viable cells of the production organism and its DNA. It is intended to be used in the processing of cereals and other grains for the production of baked products. Dietary exposure was estimated to be up to 0.071 mg TOS/kg body weight per day in European populations. Given the QPS status of the production strain and the absence of concerns resulting from the food enzyme manufacturing process, toxicity tests were considered unnecessary by the Panel. A search for the homology of the amino acid sequence of the triacylglycerol lipase to known allergens was made and no match was found. The Panel considered that a risk of allergic reactions upon dietary exposure to the food enzyme cannot be excluded, but that the likelihood is 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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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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