White crystalline or crystalline powder, soluble in dilute acid and alkali solutions, very insoluble in water, insoluble in ethanol.
English chemist and physicist william hyde wollaston discovered cystine in 1810.he is also renowned for finding the chemical elements palladium and rhodium in 1899,eighty years after cystine’s discovery,researchers recognized cystine as a protein derivative .
L-Cystine was known as cystine, is an oxidized union of two molecules of simpler forms, L-Cystine amino acid links two cysteine residues with a bond that pertains to amino acid,cysteine and cystine are very similar.L-Cystine acts as an antioxidant and prevents radiation in skeletal tissues and skin,it also helps your body heal burns and wounds and break down illness -related mucus deposits ,etc .
Used in Medicine,Food Additive,and cosmetic etc.
it has the functions of promoting the oxidation and reduction of body cells, making the liver function vigorous, promoting the proliferation of white blood cells and preventing the development of pathogenic bacteria. Mainly used for various alopecia. It is also used for acute infectious diseases such as dysentery, typhoid fever, influenza, asthma, neuralgia, eczema and various toxic diseases, etc., and has the function of maintaining protein configuration.It assists in the formation of the skin and is important for detoxification. By reducing the body’s ability to absorb copper, cystine protects cells from copper poisoning. it will release sulfuric acid, and sulfuric acid will chemically interact with other substances to increase the detoxification function of the entire metabolic system When it is metabolized .To assist the supply of insulin, insulin is necessary for the body to utilize sugar and starch.
It is also an important component of amino acid infusion and compound amino acid preparations;
2.Used as a nutritional supplement and flavoring agent. Used for breast emulsification of milk powder. Dough strength enhancer, used in bakery food (yeast starter), baking powder.
3.As a feed nutrient fortifier, it is beneficial to animal development, increasing body weight and liver and kidney function, and improving the quality of fur.
4.It can be used as cosmetic additives to promote wound healing, prevent skin allergies and treat eczema.
|
Item |
Limit |
Result |
|
Specific rotation[a]D20° |
-215° ~ -225° |
-222° |
|
State of solution (Transmittance) |
≥98.0% |
98.85% |
|
Chloride(Cl) |
≤ 0.020% |
<0.020% |
|
Ammonium(NH4) |
≤ 0.02% |
<0.020% |
|
Sulfate(SO4) |
≤0.020% |
<0.020% |
|
Iron(Fe) |
≤10PPm |
<10ppm |
|
Heavy metals(Pb) |
≤10PPm |
<5ppm |
|
Arsenic(As2O3) |
≤1PPm |
<1ppm |
|
Other amino acids |
Chromatographically not detectable |
Conforms |
|
Loss on drying |
≤ 0.20% |
0.05% |
|
Residue on ignition (Sulfated) |
≤0.10% |
0.07% |
|
Assay |
98.5 ~ 101.0% |
99.65% |
|
PH |
5.0 ~ 6.5 |
5.6 |
There are several Related Products available. Here are a few of the most common types:
Carbocisteine : This product resist acne,cure of chronic tracheitis,emphysema and pulmonary,hair finishing agent and adjusting agent,anti inflammation,etc.
L-Cysteine HCL Monohydrate : This product is antioxidant,,anti inflammation,and radiopharmaceuticals,treat toxic hepatitis,thrombocytopenia and skin ulcer,prevent hepatic necrosis,also treat tracheitis and reduce phlegm,etc.
N-Acetyl-L-Cysteine : This product is antioxidants,antidote,and anti-inflammation,cure chronic bronchitis and dissolve white viscous sputum,remove cough,protect liver,etc.
Taurine : This product is anti inflammation and antioxidant,enhance immunization function,treatment of rheumatoid arthritis,bronchitis,protect liver,relief heat from the body,etc.
