L-Tryptophan

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China L-Tryptophan Factory

L-Tryptophan CAS:73-22-3

L-Tryptophan Chemical Properties
MF:C11H12N2O2
MW:204.23
EINECS:200-795-6
Melting point:289-290 °c (dec.)(lit.)
Alpha:-31.1 º (c=1, h20)
Boiling point:342.72°c (rough estimate)
Density:1.34
Refractive index:-32 ° (c=1, h2o)
Solubility:20% nh3: 0.1 g/ml at 20 °c, clear, colorless
pka:2.46(at 25℃)
PH:5.5-7.0 (10g/l, H2O, 20℃)
optical activity:[α]20/D 31.5±1°, c = 1% in H2O
Water Solubility:11.4 g/L (25 ºC)

L-Tryptophan CAS:73-22-3 Introduction:
H&Z® L-Tryptophan is one of essential amino acids and the fourth limiting amino acid in animal diets, which means it could not be synthesized by the body, in addition, dietary supply through feed materials is usually insufficient.
The deficiency of L-Tryptophan was generally characterized as decreased feed intake and efficiency, and slow growth rate. Considering L-Tryptophan playing a key role in growth performance and feed efficiency, it is recommended to add L-Tryptophan in diet to achieve the optimal amino acid balance and fulfill the digestible tryptophan requirement of animals, especially piglets, sows and poultry etc.It is a fermentation product from natural raw materials as nutritional additives for feedstock. Thanks for the state-of-the-art fermentation technology and high level quality control system, we can offer our tryptophan in high purity above 98.5% and consistent quality for animal feed. 

L-Tryptophan CAS:73-22-3 Specification:

Testing Item	Standard	Result
Appearance	White to light yellow crystal powder	conforms
Assay/%	≥98.00	99.10
Specific Rotation	-29.0°-32.8°	-29.3°
Residue on Ignition/%	≤0.50	0.40
Loss on Drying/%	≤0.50	0.30
Heavy Metal(Pb)/%	≤5	<5
Arsenic(As)/%	≤2	conforms
Mercury(Hg)/%	≤0.1	conforms
Cadmium(Cd)/%	≤2	conforms
Salmonella	Negative in 10g	conforms
PH	5.0~7.0	conforms

L-Tryptophan CAS:73-22-3 Function:
1.L-Tryptophan is an important nutrient.
2.L-Tryptophan takes part in the renewal of animal blood plasma protein in the body
3.L-Tryptophan helps nicotinic acid and the synthesis of hemoglobin. It can significantly increase antibody in pregnant animals baby.
4.L-Tryptophan can promote lactation of cows and sows.
5.L-Tryptophan is used as control agent of pellagra.

L-Tryptophan CAS:73-22-3 Application 
L-Tryptophan Food grade:
1. Antioxidant;
2. Nutritional supplements. Tryptophan is one of the essential amino acids of the human body;
3. Used to improve niacin deficiency.
H&Z® L-Tryptophan Feed grade
1: Meet the business needs of animal growth, improve animal production performance;
2: Increase the level of digestible L-tryptophan in the feed;
3: As a nutritional feed additive, non-toxic side residues, and can be used safely in various feeds.