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Amino Acid Supplements

» Pharmaceuticals » Amino Acid Supplements

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  • COA
Product Name: L-Proline
CAS No: 147-85-3
Molecular Formular: C5H9NO2
Molecular Weight: 115.13
EINECS No.: 205-702-2
Melting point: 228 °C (dec.) (lit.)
Place of Origin: China
Type: Food  Additive
Appearance: Crystalline Powder
Color White
Purity: 99.9%

L-Proline is one of important amino acids which form protein in human boby. It is the essential material of amino acid transfusion. And it is also the main intermediate for compounding Captopril, Enalapril and other antihypertensive drugs. It has been widely used in food, medicine and other industries. It is made by fermentation of corn. So it is more safer.

There are two kinds of L - proline. One is direct fermentation, using glucose and yellow short bacillus mutant or glutamic acid bacillus wild strains, L - proline obtained with microbial fermentation; 2 it is chemical synthesis to glutamic acid as raw materials, and anhydrous ethanol under the sulfuric acid catalytic esterification, and add triethanolamine to amine sulfate free, glutamic acid - delta - ethyl ester.

1. Used as nutritional supplement.
2. Used as the materials of compound amino acid infusion. Used in malnutrition, protein deficiency disease, stomach disease, scald and protein supplement after surgery.

Items Specifications Result
Appearance Crystalline powder Crystalline powder
Color Whitish Whitish
Assay,% 98.5~101.0 99.5
Specification Rotation -84.5°~-86.0° -85.2°
Transmittance,% Clear and colorless≥98.0 98.8
Loss on drying,% ≤0.3 0.06
PH 5.9-6.9 6.3
Chloride ,% ≤0.02 <0.02
Sulfate,% ≤0.02 <0.02
Iron,% ≤0.001 <0.001
Heavy metals,% ≤0.001 <0.001
Arseni/c,% ≤0.0001 <0.0001
Total plate count,cfu/g ≤1000 <1000
Salmonella Negative Negative
Yeast and mould,cfu/g ≤100 <100
Coliforms,MPN/g ≤50 Negative
Ignited residue,% ≤0.10 0.04
Other amino acid ≤0.5 <0.5
Conclusion The goods conforms to USP36 Standard.

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