L-Threonine is clinically recognized for its role in mitigating anxiety and mild depressive symptoms. As an indispensable amino acid, it acts as a crucial precursor in the structural formation of essential proteins, including collagen, elastin, and tooth enamel. Within the central nervous system, L-Threonine participates directly in lipid and porphyrin metabolism. Furthermore, it supports gastrointestinal health by aiding in the management of intestinal disorders and indigestion, while functioning as a metabolic precursor to reliably elevate cerebral glycine concentrations.
L-Threonine Chemical Properties
| Melting point | 256 °C (dec.) (lit.) |
| Alpha | -28.4 º (c=6, H2O) |
| Boiling point | 222.38°C (rough estimate) |
| Density | 1.3126 (rough estimate) |
| Bulk density | 370kg/m3 |
| FEMA | 4710 | L-THREONINE |
| Refractive index | -28 ° (C=6, H2O) |
| Storage temp | 2-8°C |
| Solubility | H2O: 50 mg/mL |
| Form | Powder |
| pka | 2.09(at 25℃) |
| Color | Yellow |
| PH | 5-6 (100g/l, H2O, 20℃) |
| Odor | ADM L-Threonine is a high quality product specifically designed for the feed industry. Produced from advanced technology, ADM L-Threonine is composed of 100% isomerically pure L-Threonine, which translates into 100% bioavailability for swine, poultry, and other animals.mild savory |
| Odor Type | Savory |
| Biological source | Non-animal source |
| Optical Rotation | [α]20/D 28.5±0.5°, c = 5% in H2O |
| Water Solubility | 90 g/L (20 ºC) |
| Merck | 14,9380 |
| JECFA Number | 2119 |
| BRN | 1721646 |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| InChIKey | AYFVYJQAPQTCCC-GBXIJSLDSA-N |
| LogP | -2.94 |
| CAS DataBase Reference | 72-19-5(CAS DataBase Reference) |
| NIST Chemistry Reference | Threonine(72-19-5) |
| EPA Substance Registry System | L-Threonine (72-19-5) |
Threonine serves as a vital nutritional fortifier extensively incorporated into cereals, baked goods, and dairy products. It aids in post-exertion recovery and supports physiological growth and development through mechanisms similar to tryptophan. Owing to its hydroxyl-bearing side chain, threonine exhibits strong moisture-retention capabilities in human skin and binds with oligosaccharide chains to reinforce cell membrane integrity. Furthermore, it plays a key metabolic role in driving phospholipid biosynthesis and fatty acid oxidation, underpinning its wide range of therapeutic applications in the medical sector.
