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歐盟評(píng)估擴(kuò)展使用轉(zhuǎn)基因米曲霉菌株AR-183生產(chǎn)的內(nèi)切多聚半乳糖醛酸酶的安全性

放大字體  縮小字體 時(shí)間:2024-04-08 10:56 來源:食品伙伴網(wǎng) 作者: 澤夕   
核心提示:2024年4月5日,歐盟食品安全局就一種食品酶內(nèi)切多聚半乳糖醛酸酶(endo-polygalacturonase)的安全性評(píng)價(jià)發(fā)布意見。
   食品伙伴網(wǎng)訊  2024年4月5日,歐盟食品安全局就一種食品酶內(nèi)切多聚半乳糖醛酸酶(endo-polygalacturonase)的安全性評(píng)價(jià)發(fā)布意見。
 
  據(jù)了解,這種食品酶是由轉(zhuǎn)基因米曲霉菌株AR-183生產(chǎn)的,旨在用于七種食品生產(chǎn)過程。
 
  經(jīng)過評(píng)估,專家小組得出結(jié)論,這種食品酶在預(yù)期使用條件下不會(huì)引起安全問題。部分原文報(bào)道如下:
 
  The food enzyme endo-polygalacturonase ((1?→?4)-α-d-galacturonan glycanohydrolase EC 3.2.1.15) is produced with the genetically modified Aspergillus oryzae strain AR-183 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 requested to extend its use to two additional processes. In this assessment, EFSA updated the safety evaluation of this food enzyme for use in a total of seven food manufacturing processes. As the food enzyme-total organic solids (TOS) is removed from the final foods in three food manufacturing processes, the dietary exposure to the food enzyme-TOS was estimated only for the remaining four processes. Dietary exposure was up to 0.087 mg TOS/kg body weight (bw) per day in European populations. When combined with the NOAEL reported in the previous opinion (1000 mg TOS/kg bw per day, the highest dose tested), the Panel derived a margin of exposure of at least 11,494. based on the data provided for the previous evaluation and the revised margin of exposure, the Panel concluded that this food enzyme does not give rise to safety concerns under the revised 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。
日期:2024-04-08
 
 
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