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L-Cysteine

L-Cysteine

Short Description:

Product: L-Cysteine

CAS No.: 52-90-4

Standard: AJI

Function and application: It should be used in medicine, cosmetics, biochemical research, etc

Packaging: 25kg/bag(drum), others as required

MOQ25kg

Shelf life: two years


Product Detail

Product Tags

Specification:

L-Cysteine

AJI92

Appearance

White crystals or crystalline powder

Identification

Conforms

Specific rotation

+8.3°~ +9.5°

State of solution

95.0%

Chloride(Cl)

0.04%

Ammonium(NH4)

0.02%

Sulfate (SO4)

0.030%

Iron(Fe)

10ppm

Heavy metals ( Pb)

10ppm

Arsenic(As2O3)

1ppm

Other amino acids

Conforms

Loss on drying

0.5%

Residue on ignition

0.1%

Assay

98.0%101.0%

pH

4.5~5.5

Function and application:

It has many uses in food processing. It is mainly used in baking products as an essential ingredient of dough improver.

L-Cysteine is a reducing agent, which can promote the formation of gluten, reduce the mixing time and medicinal energy. L-Cysteine weakens the structure of protein by changing the disulfide bonds between and within protein molecules, so that the protein expands.   

It is mainly used in medicine, cosmetics, biochemical research and so on. It is used in bread to promote the formation of wheat gluten, promote fermentation, mold, prevent aging, etc.  

It is used in natural juice to prevent vitamin C oxidation and browning. It can be used for acrylonitrile poisoning and aromatic acidosis.

It also has the function of preventing radiation damage to human body, and is also a drug for treating bronchitis, especially as an expectorant (mostly in the form of acetyl L-cysteine methyl ester salt). Cosmetics are mainly used for beauty lotion, perm lotion, anti sun skin cream and so on.    

It is one of the essential amino acids for human body. It can inhibit the growth of bacteria in medicine. Amino acids, especially essential amino acids for human body, generally have no side effects.                                                                                                                          


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