With the improvement of life of people and the advanced cultivation technology, L-Threonine is widely used in the feed of piglet, boar, chicken, shrimp and eel. L-Threonine produced by our company is made from starch or other sugar materials and refined by fermentation, extraction, and crystallisation. Light brown, nearly white crystal or crystalline powder, slightly sweet, soluble in water.
The specification of L-Threonine is as follows
Assay: 98.5% Min
Loss on drying: 1.0% Max
Residues on ignition: 0.5% Max
Specific rotation: -26.7° ~ -29.6 °
Heavy metals: 10 PPM Max
Arsenic: 2 PPM Max