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    歐盟評估轉(zhuǎn)基因里氏木霉菌株AR-996生產(chǎn)的β-呋喃果糖苷酶的安全性
    日期:2025-03-12  來源:食品伙伴網(wǎng)
       食品伙伴網(wǎng)訊  2025年3月11日,歐盟食品安全局就一種食品酶β-呋喃果糖苷酶(β-fructofuranosidase)的安全性評價(jià)發(fā)布意見。
      
      據(jù)了解,這種食品酶是由轉(zhuǎn)基因里氏木霉菌株AR-996生產(chǎn)的,旨在用于三種食品生產(chǎn)過程。
      
      經(jīng)過評估,專家小組得出結(jié)論,該食品酶在預(yù)期的使用條件下不會引起安全問題。部分原文報(bào)道如下:
      
      The food enzyme β-fructofuranosidase (β-d-fructofuranoside fructohydrolase; EC 3.2.1.26) is produced with the genetically modified Trichoderma reesei strain AR-996 by AB Enzymes GmbH. The genetic modifications do not give rise to safety concerns. The food enzyme is free from viable cells of the production organism and its DNA. The food enzyme is intended to be used in three food manufacturing processes. Dietary exposure was estimated to be up to 0.605 mg total organic solids (TOS)/kg body weight 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 1653. A search for the homology of the amino acid sequence of the β-fructofuranosidase 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 the likelihood is low. based on the data provided and the derived margin of exposure, the Panel concluded that this food enzyme does not give rise to safety concerns, under the intended conditions of use.
      
      本文由食品伙伴網(wǎng)食品資訊中心編輯,供網(wǎng)友參考,有任何疑問,請聯(lián)系news@foodmate.net。
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