SHANDONG ZHISHANG CHEMICAL CO.LTD.

Top Quality good price L-Cysteine Cas 52-90-4

Basic Info

Model No.: LYN- 126-00-1

CAS: 52-90-4

Name:: L-Cysteine

Shelf Life: 2 Years

Sample: Available

Additional Info

Packaging:  25kg/Drum

Productivity: 10000kg

Brand: zhishang

Transportation: Ocean,Land,Air

Place of Origin: Shandong, China (Mainland)

Supply Ability: in stock

Certificate: ISO CE

HS Code: 1060.24000

Port: Shanghai,Tianjin,Qingdao

Product Description

Top Quality good price L-Cysteine Cas 52-90-4 

Introduction

L-Cysteine is an amino acid common in vivo, can be transformed from the body of methionine, cystine can be transformed with each other

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.

 Application

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

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.

Specification

Item

Specifications

Test  Results

Assay,%

98.5-101.5

99.6

Identification

Pass test 

Pass test

Specific rotation         

+5.7°-+6.8°

+6.3°

Loss on drying,%                   

8.0-12.0

8.5

Residue on ignition,  %

≤0.4

<0.4

Sulfate,%

≤0.03

<0.03

Iron(as Fe), %   

≤0.003

<0.003

Heavy metals(as Pb), %               

≤0.0015

<0.0015

Organic volatile impurities        

Meets the requirements

Meets the requirements

Conclusion: This product conforms to USP28 standard. 

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