Nome dei prodotti:L-treonina |
CAS NO :72-9-5; 6028-28-0 |
EINECS n:200-774-1 |
Formula molecolare: C4H9NO3 |
Peso molecolare: 119.12 |
Aspetto esteriore:white orthorhombic system or crystalline powder. Inodore, taste sweet. |
solubilità:Solubile in acqua, 25 ℃ solubility is 20.5 G / 100 ml. |
USI:THR is a kind of important nutrition fortifier, can be fortified cereals, pasticcini, latticini, 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. |
Standard: USP24 |
ANALISI DI BASE | ||
Elemento di analisi | Specifiche | Risultati |
Saggio | 98.5%~101,5% | 99.4% |
organolettico | ||
Aspetto esteriore | Cristalli bianchi o polvere cristallina | Polvere cristallina bianca |
Odore | Caratteristica | Conforme |
Gusto | Caratteristica | Conforme |
Caratteristiche fisiche | ||
pH | 5.0~6.5 | 5.58 |
Specific rotation | -26.7°~-29.1° | -27.2° |
Perdita all'essiccamento | ≤0,20% | 0.15% |
Residui all'accensione | ≤0.40% | 0.04% |
Metalli pesanti | ||
Metalli pesanti(Pb) | ≤15ppm | <15ppm |
Cloruro (cl) | ≤0,05% | <0.05% |
Arsenico (As2O3) | ≤1PPM | <1ppm |
Ammonio (NH4) | ≤0,02% | <0.02% |
Ferro da stiro(Fe) | ≤0.003% | <0.003% |
Solfato (SO4) | ≤0.03% | <0.03% |
Test microbiologici | ||
Total aerobic plate count | ≤1000 ufc/g | Conforme |
Lievito & Muffa | ≤100 ufc/g | Conforme |
E. Coli. | Negativo | Conforme |
Salmonella | Negativo | Conforme |
Stafilococco | Negativo | Conforme |