L-Serine

Introduction of L-Serine:
1. Soluble in water and formic acid, L-serine, an organic compound, is in the shape of white crystal or crystalline powder, with a slight sweet taste.
2. As a non-necessary amino acid, L-serine plays an important role in the metabolism of fat, fatty acid and in the muscle growth.
3. It's helpful for generation of immunoglobulin and antibody, so L-serine is essential for maintaining a healthy immune system.
4. It can be obtained from soybeans, wine fermentation, dairy products, eggs, fish, lactalbumin, legumes, meat, nuts, seafood, seeds, whey and wholewheat.
5. As nutritional supplement, L-serine is mainly used in amino acid transfusion.
6. For it has special wettability, it is also used in vanishing cream and cosmetics.

Specifications of L-Serine:

Name	L-Serine
CAS No.	56-45-1
Chemical Formula	C3H7NO3
Specification	Kyowa 8th
Packing	In 25kg drums
Functional use	Nutritional Enhancer
Items	Specifications
Appearance	White crystals
Identification	Conforms
Assay	99.0 - 101.0%
State of solution(Transmittance)	98.0% min
Specific rotation [a]D20	+14.4 ° --- +15.5 °
Loss on drying	0.20% max
Residue on ignition	0.10% max
Chloride(Cl)	0.02% max
Sulfate(SO4)	0.020% max
Ammonium(NH4)	0.020% max
Iron(Fe)	10 mg/kg max
Heavy metals(as Pb)	10 mg/kg max
Arsenic(As2O3)	1 mg/kg max
Foreign amino acids	0.2% max
PH	5.2 - 6.2