1b392 | Rosemary extract | Additive compositionPreparation of rosemary extract from dried leaves of Rosmarinus officinalis with carnosic acid 9-12 %, sum of carnosic acid and carnosol ≥ 10 %Liquid formExtract is obtained through acetone or ethanol extraction methods.Residual solvents (acetone or ethanol) ≤ 250 mg/kgCamphor ≤ 150 mg/kgCharacterisation of the active substancesCarnosic acid C20H28O4CAS number 3650-09-7Carnosol C20H26O4CAS number 5957-80-2Sum of carnosic acid and carnosol in the extract:≥ 90 % w/w of the total phenolic diterpenes of the extract; ≥ 15 % w/w of total volatilesAnalytical methodFor the quantification of carnosic acid and carnosol in the feed additive:- High performance liquid chromatography with spectrophotometric detection (HPLC-UV)
For the quantification of carnosic acid in compound feed:- Gas chromatography with flame ionisation detection (GC-FID)
| CatsDogs | | | 534 | - 1.In the directions for use of the additive and premixtures, the storage conditions and stability to heat treatment shall be indicated.
- 2.The simultaneous use of different sources of carnosic acid shall not result in exceeding the permitted maximum level of that substance in complete feedingstuffs established for each relevant species.
- 3.For users of the additive and premixtures, feed business operators shall establish operational procedures and organisational measures to address potential risks resulting from their use. Where those risks cannot be eliminated by such procedures and measures, the additive and premixtures shall be used with personal skin, eye and breathing protective equipment.
| 5 May 2034 |