3c305 | - | L-methionine | Additive compositionPowder with a minimum of 98,5 % L-methionine and a maximum moisture content of 0,5 %——————————————Characterisation of the active substanceL-methionine produced by fermentation with Corynebacterium glutamicum KCCM 80184 and Escherichia coli KCCM 80096Chemical formula: C5H11NO2SCAS Number: 63-68-3.——————————————Analytical methods For the determination of L-methionine in the feed additive:- Food Chemical Codex "L-methionine monograph" (identification) and
- Ion-exchange chromatography coupled with post-column derivatisation and optical detection (IEC-VIS/FLD) – EN ISO 17180 (quantification)
For the determination of methionine in premixtures- Ion-exchange chromatography coupled with post-column derivatisation and optical detection (IEC-VIS/FLD) – EN ISO 17180 and
- Ion-exchange chromatography coupled with post-column derivatisation and photometric detection (IEC-VIS), Commission Regulation (EC) No 152/2009 (Annex III, F)
For the determination of methionine in compound feed and feed materials:- Ion-exchange chromatography coupled with post-column derivatisation and photometric detection (IEC-VIS), Commission Regulation (EC) No 152/2009 (Annex III, F)
For the determination of methionine in water:- Ion-exchange chromatography coupled with post-column derivatisation and photometric detection (IEC-VIS)
| All species | - | - | - | - 1.L-methionine may be placed on the market and used as an additive consisting of a preparation.
- 2.L-methionine may be used via water for drinking.
- 3.The labelling of the additive and premixtures shall indicate the following:"The supplementation with L-methionine, in particular via water for drinking, shall take into account all essential and conditionally essential amino acids in order to avoid imbalances."
| 5.11.2030 |