3a910 | — | L-carnitine | Additive compositionL-carnitineActive substanceL-carnitineC7H15NO3CAS No: 541-15-1L-carnitine solid form produced by chemical synthesis: min. 97 %.Method of AnalysisFor the determination of L-carnitine in the feed additive: titration with perchloric acid (Ph Eur 6th edition, monograph 1339)For the determination of L-carnitine in premixtures: ion chromatography method with electrical conductivity detection (IC-ECD) or Spectrophotometric method after enzymatic reaction with carnitine-acetyl-transferase.For the determination of L-carnitine in feedingstuffs: Reversed Phase High Performance Liquid Chromatography (RP-HPLC) with fluorimetric detector or Spectrophotometric method after enzymatic reaction with carnitine-acetyl-transferase.For the determination of L-carnitine in water: potentiometric titration or Spectrophotometric method after enzymatic reaction with carnitine-acetyl-transferase. | All animal species | — | — | — | 1.L-carnitine may be placed on the market and used as an additive consisting of a preparation.2.In the directions for use of the additive and premixture, indicate the storage and stability conditions.3.For safety: breathing protection, safety glasses and gloves shall be worn during handling.4.The additive may be used in water for drinking. | 19 May 2025 |
3a911 | — | L-carnitine L-tartrate | Additive compositionL-carnitine L-tartrateActive substanceL-carnitine L-tartrateC18H36N2O12CAS No: 36687-82-8L-carnitine L-tartrate solid form produced by chemical synthesis: min. 97 %.Method of AnalysisFor the determination of L-carnitine L-tartrate in the feed additive: potentiometric back-titration.For the determination of L-carnitine L-tartrate (expressed as L-carnitine) in premixtures: ion chromatography method with electrical conductivity detection (IC-ECD) or Spectrophotometric method after enzymatic reaction with carnitine-acetyl-transferase.For the determination of L-carnitine L-tartrate (expressed as L-carnitine) in feedingstuffs: Reversed Phase High Performance Liquid Chromatography (RP-HPLC) with fluorimetric detector or Spectrophotometric method after enzymatic reaction with carnitine-acetyl-transferase.For the determination of L-carnitine L-tartrate (expressed as L-carnitine) in water: potentiometric titration or Spectrophotometric method after enzymatic reaction with carnitine-acetyl-transferase. | All animal species | — | — | — | 1.In the directions for use of the additive and premixture, indicate the storage and stability conditions.2.For safety: breathing protection, safety glasses and gloves shall be worn during handling.3.The additive may be used in water for drinking. | 19 May 2025 |