L-threonine is an essential amino acid that plays an important role in regulating protein balance in the body.
CAS No. :
72-19-5EINECS :
200-774-1Package :
25KG/DRUMBrand :
TOPINCHEM®Origin :
CHINAFormula :
C4H9NO3Minimum Order :
200KGItem :
L-threonine USP GradeManufacture Supply L-threonine USP Grade CAS 72-19-5
Description
L-threonine is essential for maintaining nitrogen balance in the body and promoting normal growth and development. In addition, it also plays a role in maintaining the functions of the cardiovascular system, liver, central nervous system, intestine, and immune system.
Specification
| ITEMS | STANDARD | RESULT |
| DESCRIPTION | WHITE CRYSTALLINE POWDER | CONFORMS |
| IDENTIFICATION | INFRARED ABSORPTION | CONFORMS |
| ASSAY (ON DRIED BASIS) | 98.5~101.5% | 99.60% |
| IMPURITIES | ||
| RESIDUE ON IGNITION | NMT 0.4% | 0.05% |
| CHLORIDE | NMT 0.05% | CONFORMS |
| SULFATE | NMT 0.03% | CONFORMS |
| IRON | NMT 30PPM | CONFORMS |
| LEAD | NMT 3PPM | CONFORMS |
| ARSENIC | NMT 1PPM | CONFORMS |
| MERCURY | NMT 0.1PPM | CONFORMS |
| CADMIUM | NMT 1PPM | CONFORMS |
| RELATED COMPOUNDS | INDIVIDUAL IMPURITIES: NMT0.5% | CONFORMS |
| SPECIFIC TESTS | ||
| OPTICAL ROTATION | -26.7。~-29.1。 | -28.3。 |
| PH | 5.0~6.5 | 6 |
| LOSS ON DRYING | NMT 0.2% | 0.10% |
| TOTAL PLATE COUNT | 1000cfu/g MAX | CONFORMS |
| YEAST AND MOULD | 100cfu/g MAX | CONFORMS |
| E. COLI | NEGATIVE | CONFORMS |
| SALMONELLA | NEGATIVE | CONFORMS |
| STAPHYLOCOCCUS | NEGATIVE | CONFORMS |
Application
L-threonine is an important nutritional fortifier that can strengthen grains, pastries, and dairy products. Like tryptophan, it has the effect of restoring fatigue and promoting growth and development in the human body.
In medicine, due to the presence of hydroxyl groups in the structure of L-threonine, it has a water holding effect on the human skin, binds to oligosaccharides, plays an important role in protecting cell membranes, and can promote phospholipid synthesis and fatty acid oxidation in the body.
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