Nombre del producto:L-treonina |
CAS NO :72-9-5; 6028-28-0 |
Nº EINECS:200-774-1 |
Fórmula molecular: C4H9NO3 |
Peso molecular: 119.12 |
Apariencia:white orthorhombic system or crystalline powder. Inodoro, taste sweet. |
Solubilidad:Soluble en agua, 25 ℃ solubility is 20.5 gramo / 100 ml. |
USOS:THR is a kind of important nutrition fortifier, can be fortified cereals, pasteles, productos lácteos, and tryptophan has to restore the body fatigue, promote the effect of the growth and development. Medicine, because of the structure containing hydroxyl threonine, effect on human skin with moisture, combined with oligosaccharide chain, play an important role in protecting cell membrane, can promote the synthesis of phosphate ester and fatty acid oxidation in the body. |
Estándar: USP24 |
ANÁLISIS BÁSICO | ||
Elemento de análisis | Especificación | Resultados |
Ensayo | 98.5%~101,5% | 99.4% |
Organoléptico | ||
Apariencia | Cristales blancos o polvo cristalino | Polvo cristalino blanco |
Olor | Característica | conforme |
Gusto | Característica | conforme |
Características físicas | ||
pH | 5.0~6.5 | 5.58 |
Specific rotation | -26.7°~-29.1° | -27.2° |
Pérdida por secado | ≤0.20% | 0.15% |
Residuos en ignición | ≤0.40% | 0.04% |
Metales pesados | ||
Metales pesados(Pb) | ≤15ppm | <15ppm |
Cloruro (cl) | ≤0.05% | <0.05% |
Arsénico (As2O3) | ≤1PPM | <1ppm |
Ammonium (NH4) | ≤0.02% | <0.02% |
Hierro(Fe) | ≤0.003% | <0.003% |
Sulfato (SO4) | ≤0.03% | <0.03% |
Pruebas microbiológicas | ||
Total aerobic plate count | ≤1000ufc/g | Ajustarse |
Levadura & Molde | ≤100ufc/g | Ajustarse |
mi. Coli. | Negativo | Ajustarse |
Salmonela | Negativo | Ajustarse |
Estafilococo | Negativo | Ajustarse |