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當(dāng)前位置: 首頁 » 食品資訊 » 外訊導(dǎo)讀 » 歐盟評估一種內(nèi)切-1,4-β-木聚糖酶作為育肥雞、育肥火雞等動物飼料添加...

歐盟評估一種內(nèi)切-1,4-β-木聚糖酶作為育肥雞、育肥火雞等動物飼料添加劑的安全性和有效性

放大字體  縮小字體 時間:2022-07-27 09:23 來源:食品伙伴網(wǎng) 作者: 澤夕   
核心提示:2022年7月25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)研究小組就一種內(nèi)切-1,4-β-木聚糖酶(endo‐1,4‐β‐xylanase )作為育肥雞、育肥火雞、飼養(yǎng)用于產(chǎn)蛋/繁殖的雞、飼養(yǎng)用于繁殖的火雞和用于育肥或飼養(yǎng)到產(chǎn)蛋點的小型家禽物種飼料添加劑的安全性和有效性發(fā)表科學(xué)意見。
   食品伙伴網(wǎng)訊  2022年7月25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)研究小組就一種內(nèi)切-1,4-β-木聚糖酶(endo‐1,4‐β‐xylanase )作為育肥雞、育肥火雞、飼養(yǎng)用于產(chǎn)蛋/繁殖的雞、飼養(yǎng)用于繁殖的火雞和用于育肥或飼養(yǎng)到產(chǎn)蛋點的小型家禽物種飼料添加劑的安全性和有效性發(fā)表科學(xué)意見。
 
  據(jù)了解,該添加劑是由Komagataella phaffii DSM 33574生產(chǎn)的。部分原文報道如下:
 
  Following a request from the European Commission, the EFSA Panel on Additives and Products of Substances used in Animal Feed (FEEDAP) was asked to deliver a scientific opinion on the safety and efficacy of the product containing endo-1,4-β-xylanase produced by Komagataella phaffii DSM 33574 (Xylamax) as a zootechnical additive in chickens for fattening, chickens reared for laying/breeding, turkeys for fattening, turkeys reared for breeding and minor poultry species for fattening or raised to the point of lay. The production strain is genetically modified. No viable cells nor recombinant DNA of the production strain were detected in the final product. Therefore, the Panel concluded that the additive does not pose any safety concern regarding the production strain. based on the no observed adverse effect level identified in a subchronic oral toxicity study in rats, the Panel concluded that Xylamax is safe for all poultry species for fattening or reared to the point of lay. Considering the production strain and the results obtained in the genotoxicity studies, the Panel concluded that the additive is safe for the consumers. The Panel also concluded that Xylamax is not irritant to the skin but should be considered a potential eye irritant and a respiratory sensitiser. No conclusions could be drawn on the potential of the additive to cause skin sensitisation. The use of the product as a feed additive is of no concern for the environment. The FEEDAP Panel concluded that the additive has the potential to be efficacious at 10,000 XU/kg feed in chickens for fattening. This conclusion was extended/extrapolated to chickens reared for laying/breeding, turkeys for fattening, turkeys reared for breeding and minor poultry species for fattening or raised to the point of lay.
 
  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:2022-07-27
 
 
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