law://eu/dec/2017/1281@2026-11-13THE EUROPEAN COMMISSION,Having regard to the Treaty on the Functioning of the European Union,Having regard to Regulation (EC) No 258/97 of the European Parliament and of the Council of 27 January 1997 concerning novel foods and novel food ingredientsnote, and in particular Article 7 thereof,Whereas:
HAS ADOPTED THIS DECISION:
| Chemical name (IUPAC) | (2S)-3-(2-thioxo-2,3-dihydro-1H-imidazol-4-yl)-2-(trimethylammonio)-propanoate |
| Chemical formula | C9H15N3O2S |
| Molecular mass | 229,3 Da |
| CAS No | 497-30-3 |
| Parameter | Specification | Method |
|---|---|---|
| Appearance | White powder | Visual |
| Optical rotation | [α]D ≥ (+) 122° (c = 1, H20)note | Polarimetry |
| Chemical purity | ≥ 99,5 % | HPLC [Eur. Ph. 2.2.29] |
| ≥ 99 % | 1H-NMR | |
| Identification | Compliant with the structure | 1H-NMR |
| C: 47,14 ± 0,4 % | ||
| H: 6,59 ± 0,4 % | ||
| N: 18,32 ± 0,4 % | Elemental analysis | |
| Total residual solvents(methanol, ethyl acetate, isopropanol, ethanol) | [Eur. Ph. 01/2008:50400]< 1000 ppm | Gas chromatography[Eur. Ph. 01/2008:20424] |
| Loss on drying | Internal standard < 0,5 % | [Eur. Ph. 01/2008:20232] |
| Impurities | < 0,8 % | HPLC/GPC or 1H-NMR |
| Lead | < 3 ppm | ICP/AES(Pb, Cd)Atomic fluorescence (Hg) |
| Cadmium | < 1 ppm | |
| Mercury | < 0,1 ppm | |
| Total viable aerobic count (TVAC) | ≤ 1 × 103 CFU/g | [Eur. Ph. 01/2011:50104] |
| Total yeast and mould count (TYMC) | ≤ 1 × 102 CFU/g | |
| Escherichia coli | Absent in 1 g |
| Food category | Maximum levels |
|---|---|
| Food supplements as defined in Directive 2002/46/EC | 30 mg/day for general population (excluding pregnant and lactating women)20 mg/day for children older than 3 years |
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