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Amino Acids

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L-Cysteine 98%

    CAS Number:52-90-4

    Molecular Formula:C3H7NO2S

    Molecular Weight:121.16

    Assay:98%

    Standard:In house

    Country of Origin:China

    Shelf Life:2 Years


Product description:

L-cysteine, a common amino acid in a living organism.As one of the alpha sulfur amino acids, encounter nitroprusside (nitroprusside) purple color (SH), found in many proteins, glutathione, and Ag +, Hg + and Cu + of metal ion can form insoluble mercaptide (mercaptide).Colorless crystals.Soluble in water, ethanol, acetic acid and ammonia, insoluble in ether, acetone, ethyl acetate, benzene, disulfide carbon and carbon tetrachloride.It can be oxidized to cystine in neutral and weakly alkaline solutions.

Specification:

ITEM

STANDARDS

Appearance

White crystals or crystalline powder

Specific Rotation

+8.3°~+8.5°

State of Solution

NLT95.0%

Assay

98%101.0%

Heavy Metals(Pb)

NMT10ppm

Chloride(Cl)

NMT1000ppm

Arsenic(AS2O3)

NMT1ppm

Loss On Drying

NMT0.50%

Residue On Ignition

NMT0.10%

Ph

4.5~5.5

Iron(Fe)

NMT10ppm

Ammonium

NMT0.02%

Sulfate(SO4)

NMT0.03%

Other Amino Acids

Conform 


Application:

1. L-Cysteine Hydrochloride Monohydrate is widely used in fields of medicine, cosmetic, food processing, biological study, materials of chemical industry and so on.
It is a promotor for bread fermentation. It promotes the form of glutelin and prevents from getting ageing.
2. It is used in natural fruit juice for preventing Vitamin C oxide. It has a detoxification for poison of acrylonitrile aromafic acid. It is used for protecting against radiation harm and therapy of bronchitis and liquefy sputum.

 


Function:

1. L-Cysteine has an effective detoxification.

2. L-Cysteine can effectively prevent and treat radiation injury.

3. L-Cysteine can remove the skin melanin itself, change the nature of the skin itself, the skin becomes natural whitening. It is a kind of ideal natural whitening cosmetics.

4. L-Cysteine can improve the symptoms of inflammation and skin allergies.

5. L-Cysteine on horny skin disease is also effective hypertrophy.

6. L-Cysteine has a function to prevent biological aging.

7.Cysteine is a kind of natural amino acid, has many uses in food processing, it is mainly used for baking products, as a necessary component of dough improver

8.Cysteine is a kind of reductant, it can promote the formation of gluten, reduce the time needed for mixing and the energy required for medicinal, cysteine by changing the protein molecules and protein molecules between the internal disulfide bond, weaken the structure of the protein, this protein is stretched.


Certificate Availability

IOS9001

HALAL

KOSHER

Packaging Details

Other

Storage condition: Stored in a well-sealed container in a dry, cool place, keep away from strong light and heat.

Shelf life: 24 months under the conditions above and in its original packaging. 


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