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L-Threonin

L-Threonin

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ANFRAGE

L-Threonin:

Produktname:L-Threonin
CAS-Nr :72-9-5; 6028-28-0
EINECS-NR:200-774-1
Molekularformel: C4H9NO3
Molekulargewicht: 119.12
Aussehen:white orthorhombic system or crystalline powder. Geruchlos, taste sweet.
Löslichkeit:In Wasser löslich, 25 ℃ solubility is 20.5 g / 100 ml.
VERWENDET:THR is a kind of important nutrition fortifier, can be fortified cereals, Gebäck, Milchprodukte, 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
GRUNDLEGENDE ANALYSE
Gegenstand der Analyse Spezifikation Ergebnisse
Probe 98.5%~101,5 % 99.4%
Organoleptisch
Aussehen Weiße Kristalle oder kristallines Pulver weißes kristallines Pulver
Geruch Charakteristisch Entspricht
Geschmack Charakteristisch Entspricht
Physikalische Eigenschaften
pH-Wert 5.0~6.5 5.58
Specific rotation -26.7°~-29.1° -27.2°
Trocknungsverlust ≤0,20 % 0.15%
Glührückstand ≤0.40% 0.04%
Schwermetalle
Schwermetalle(Pb) ≤15ppm <15ppm
Chlorid (Kl) ≤0,05 % <0.05%
Arsen (As2O3) ≤1 ppm <1ppm
Ammonium (NH4) ≤0,02 % <0.02%
Eisen(Fe) ≤0.003% <0.003%
Sulfat (SO4) ≤0.03% <0.03%
Mikrobiologische Tests
Total aerobic plate count ≤1000 KBE/g Konform
Hefe & Schimmel ≤100 KBE/g Konform
E. Coli. Negativ Konform
Salmonellen Negativ Konform
Staphylokokken Negativ Konform