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當(dāng)前位置: 首頁 » 食品資訊 » 外訊導(dǎo)讀 » 歐盟評估一種由內(nèi)切-1,4-β-木聚糖酶、蛋白酶和α-淀粉酶組成的飼料添加...

歐盟評估一種由內(nèi)切-1,4-β-木聚糖酶、蛋白酶和α-淀粉酶組成的飼料添加劑對育肥雞、產(chǎn)蛋雞和小型家禽物種的安全性和有效性

放大字體  縮小字體 時間:2023-02-20 09:53 來源:食品伙伴網(wǎng) 作者: 澤夕   
核心提示:2023年2月16日,據(jù)歐盟食品安全局(EFSA)消息,應(yīng)歐盟委員會要求,歐盟動物飼料添加劑和產(chǎn)品(FEEDAP)研究小組就一種由內(nèi)切-1,4-β-木聚糖酶、蛋白酶和α-淀粉酶組成的飼料添加劑對育肥雞、產(chǎn)蛋雞和小型家禽物種的安全性和有效性發(fā)表科學(xué)意見。
   食品伙伴網(wǎng)訊  2023年2月16日,據(jù)歐盟食品安全局EFSA)消息,應(yīng)歐盟委員會要求,歐盟動物飼料添加劑和產(chǎn)品(FEEDAP)研究小組就一種由內(nèi)切-1,4-β-木聚糖酶、蛋白酶和α-淀粉酶組成的飼料添加劑對育肥雞、產(chǎn)蛋雞和小型家禽物種的安全性和有效性發(fā)表科學(xué)意見。
 
  據(jù)了解,內(nèi)切-1,4-β-木聚糖酶是由里氏木霉ATCC PTA-5588生產(chǎn)的,蛋白酶是由枯草芽孢桿菌CBS 148232生產(chǎn)的,α-淀粉酶是由地衣芽孢桿菌ATCC SD-6525生產(chǎn)的。部分原文報道如下:
 
  Following a request from the European Commission, EFSA was asked to deliver a scientific opinion on the safety and efficacy of endo-1,4-beta-xylanase produced by Trichoderma reesei ATCC PTA-5588, protease produced by Bacillus subtilis CBS 148232, and alpha-amylase produced by Bacillus licheniformis ATCC SD-6525, Axtra? XAP 104 TPT, for chickens for fattening, laying hens and minor poultry species. In the previous assessment, a series of shortcomings did not allow to conclude on the safety of the product. The shortcomings included uncertainty on the presence of viable cells of one of the production strains; uncertainty on the identity of the production strains of the ■■■■■ used in the manufacturing process of the protease and their presence in the final additive; and uncertainty about the test item used for the toxicological testing of the xylanase. Moreover, the Panel could not conclude on the efficacy in laying hens. The applicant submitted some new information to address some of the limitations previously identified. Moreover, the applicant declared a change in the production strain of the protease, substituting B. subtilis ATCC SD-2107 for B. subtilis CBS 148232. The Panel concluded that the additive is safe for the target species at the recommended use level (1,000 xylanase U, 100 amylase U and 2,000 protease U per kg feed). The additive is safe for the consumers of food products obtained from animals fed with the additive and raises no concerns for the environment. The Panel could not conclude on the skin/eye irritancy potential of the additive nor on its dermal sensitisation potential. Owing to the proteinaceous nature of the active substances, the additive is considered a respiratory sensitiser. The additive is efficacious in chickens for fattening, chickens reared for laying and minor poultry species up to the point of lay at the level of 2,000 xylanase U, 200 amylase U and 4,000 protease U per kg feed (double the minimum recommended use level). Owing to the lack of sufficient data, the Panel could not conclude on the efficacy of the additive for laying hens.
 
  本文由食品伙伴網(wǎng)食品資訊中心編輯,有任何疑問,請聯(lián)系news@foodmate.net。
日期:2023-02-20
 
 
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