4a1607ii | DSM Nutritional Products Ltd, represented by DSM Nutritional Products Sp. z o.o. | Endo–1,4-beta-xylanase (EC 3.2.1.8) | Additive compositionPreparation of endo–1,4-beta-xylanase (EC 3.2.1.8) produced by Aspergillus oryzae DSM 33700 having a minimum activity of: Solid form: 1 000 FXU/gLiquid form: 650 FXU/mlCharacterisation of the active substanceEndo–1,4-beta-xylanase (EC 3.2.1.8) produced by Aspergillus oryzae DSM 33700.Analytical methodFor the quantification of endo–1,4-beta-xylanase in the feed additive:- colorimetric method measuring coloured compound produced by the dinitro salicylic acid (DNSA) and the xylosylic moieties released by the action of xylanase on arabinoxylan.
For the quantification of endo–1,4-beta-xylanase in premixtures and compound feed:- colorimetric method measuring water soluble dye released by action of xylanase from dye-labelled oat spelt azo-xylan.
| All poultry species | — | 100 FXU | — | - 1.In the directions for use of the additive and premixtures, the storage conditions and stability to heat treatment shall be indicated.
- 2.For users of the additive and premixtures, feed business operators shall establish operational procedures and organisational measures to address potential risks resulting from its use.
Where those risks cannot be eliminated by such procedures and measures, the additive and premixtures shall be used with personal protective equipment, including breathing protection, eye protection and skin protection. | 1 May 2034 |