Food Grade L-Cysteine Powder CAS 52-90-4

Product Description

 

L-cysteine, a common amino acid in organisms. Mainly used in medicine, cosmetics, biochemical research, etc. Used in bread to promote the formation of gluten, promote fermentation, mold release, and prevent aging. Used in natural juices to prevent vitamin C oxidation and prevent the juice from turning brown. This product has detoxification effect and can be used for acrylonitrile poisoning and aromatic acidosis. The product also has the effect of preventing radiation damage to the human body. It is also a drug for the treatment of bronchitis, especially as a phlegm medicine (mostly used in the form of acetyl L-cysteine methyl ester.Cosmetics are mainly used for beauty water, Perm lotion, sun-proof skin cream, etc.

 

Testing Item	Standard	Result
Appearance	White crystals or crystalline powder	conforms
Specific rotation[a]D20	+ 8.3°~ +9.5°	+8.72°
State of solution (Transmittance)	≥95.0%	98.5%
Loss on drying	≤0.50%	0.18%
Residue on ignition	≤0.10%	0.07%
Heavy metals(Pb)	≤10PPM	<10PPM
Chloride (Cl)	600---1000ppm	800ppm
Arsenic (As2O3)	≤1PPM	conforms
Iron (Fe)	≤10PPM	<10PPM
Ammonium (NH4)	≤0.02%	<0.02%
Sulfate (SO4)	≤0.030%	≤0.030%
Other amino acids	Chromatographically	Qualified
PH value	4.5 ~ 5.5	5.0
Assay	98.0%~101.0%	99.4%

Function

 

Biochemical reagent, medicine, this product is used as expectorant, which is easy to clean sputum and easy to cough. It can decompose viscous sputum. The mechanism of action is that the sulfhydryl group contained in the molecular structure of the product can break the disulfide bond in the polypeptide chain of mucin in mucus, decompose mucin, reduce the viscosity of sputum, and make it liquefied and easy to cough up. It is suitable for patients with acute and chronic respiratory diseases whose sputum is thick and difficult to cough up, as well as serious symptoms of difficulty in aspiration caused by a large amount of mucus blockage.

Application

 

1. Used as a viscous drug

2. Applicable to respiratory obstruction caused by a large number of adhesive blockages.

3. It can be used for detoxification of acetaminophen poisoning.

4. It is not suitable to contact with metals (such as Fe, Cu), rubber, oxidants, etc.

5. It should not be combined with antibiotics such as penicillin, cephalosporin, tetracycline, etc., so as not to reduce its antibacterial effect.

6. Patients with bronchial asthma should be used with caution.

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