Safety evaluation of the food enzyme cellulase from the non-genetically modified Aspergillus niger strain 294

被引:0
作者
Lambre, Claude
Barat Baviera, Jose Manuel
Bolognesi, Claudia
Cocconcelli, Pier Sandro
Crebelli, Riccardo
Gott, David Michael
Grob, Konrad
Lampi, Evgenia
Mengelers, Marcel
Mortensen, Alicja
Riviere, Gilles
Steffensen, Inger-Lise
Tlustos, Christina
Van Loveren, Henk
Vernis, Laurence
Zorn, Holger
Aguilera, Jaime
Andryszkiewicz, Magdalena
Liu, Yi
Nielsen, Elsa
Norby, Karin
di Piazza, Giulio
Chesson, Andrew
机构
关键词
food enzyme; cellulase; 4-(1,3; 1,4)-beta-D-glucan-4-glucanohydrolase; EC; 3.1.2.4; beta-1-4glucanase; Aspergillus niger; ALPHA-AMYLASE; SENSITIZATION; XYLANASE;
D O I
10.2903/j.efsa.2023.8098
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
The food enzyme cellulase (4-(1,3;1,4)-beta-D-glucan-4-glucanohydrolase; EC 3.1.2.4) is produced with the non-genetically modified Aspergillus niger strain 294 by Kerry Ingredients & Flavours Ltd. The food enzyme is considered free from viable cells of the production organism. The enzyme is intended to be used in eight food manufacturing processes: baking processes, cereal-based processes, brewing processes, grain treatment for the production of starch and gluten fractions, fruit and vegetable processing for juice production, fruit and vegetable processing for products other than juices, distilled alcohol production and wine and wine vinegar production. Since residual amounts of total organic solids (TOS) are removed during distilled alcohol production and grain treatment for the production of starch and gluten fractions, dietary exposure was only calculated for the remaining six food manufacturing processes. It was estimated to be up to 5.706 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 794 mg TOS/kg bw per day, the highest dose tested. The calculated margin of exposure for each age group was 184 (infants), 146 (toddlers), 139 (children), 219 (adolescents), 305 (adults) and 441 (the elderly). A search for the similarity of the amino acid sequence of the food enzyme to known allergens was made and four matches were found. The Panel considered that, under the intended conditions of use (other than distilled alcohol production), the risk of allergic reactions by dietary exposure cannot be excluded, but 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 for adolescents, adults and the elderly. (c) 2023 European Food Safety Authority. EFSA Journal published by Wiley-VCH GmbH on behalf of European Food Safety Authority.
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页数:17
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