据了解，α-半乳糖苷酶是由塔宾曲霉ATCC SD 6740生产的，内切-1,4-β-木聚糖酶是由Trichoderma orientale CBS 139997生产的。

 

　　经过评估，专家小组认为在建议的使用条件下该添加剂对目标物种、消费者和环境是安全的。部分原文报道如下：

 

　　Following a request from the European Commission, EFSA was asked to deliver a scientific opinion on the safety and efficacy of a preparation containing alpha-galactosidase (EC 3.2.1.22) and endo-1,4-beta-xylanase (EC 3.2.1.8) (Capsozyme SB Plus) as a zootechnical feed additive (functional group: digestibility enhancers). The additive is already authorised for use in feed for chickens for fattening, chickens reared for laying, minor poultry species for fattening and reared for laying and ornamental birds. The applicant is seeking an extension of use to turkeys for fattening and reared for breeding at the minimum inclusion level of 14 alpha-galactosidase activity units (GALU) and 18 endo-1,4-beta-xylanase activity units (AXC) per kg of complete feed and a maximum inclusion level of 20 GALU and 25 AXC units per kg of complete feed. based on the results observed in a tolerance trial in chickens for fattening that had been previously evaluated, the FEEDAP Panel concluded that Capsozyme SB Plus is safe for turkeys for fattening and reared for breeding at the maximum recommended level of 20 GALU and 25 AXC units per kg complete feed. The use of the feed additive in turkeys for fattening and reared for breeding under the proposed conditions of use is considered safe for consumers and the environment. Regarding safety for the user, Capsozyme SB Plus is considered a respiratory sensitiser and exposure by inhalation is considered a risk. No conclusions could be reached on the potential of the additive to be irritant to the skin or eyes or a skin sensitiser. Capsozyme SB Plus is considered to be efficacious in turkeys for fattening and reared for laying at the proposed minimum use level of 14 GALU and 18 AXC units per kg complete feed.

 

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