Technical aspects
The product is characterized by its pure composition, stable chemical parameters, and controlled heavy metal content.
| Parameter | Value |
| Appearance | Powder or granules, white to light brown |
| Threonine content (dry matter) | min 98.5% |
| Heavy metals (as Pb) | max 10 ppm |
| Arsenic (as As) | max 1 mg/kg |
| Residue on ignition | max 0.5% |
| Loss on drying | max 1% |
| pH | 5–6 |
| Specific rotation | -26.00° to -29.00° |
