Factory supply food grade high purity L-Serine
Product Description
L-Serine, an Endogenous Amino Acid, Is a Potential Neuroprotective Agent for Neurological Disease and Injury.
L-serine has also been used to treat epilepsy, schizophrenia, psychosis, and Alzheimer's Disease as well as other neurological diseases. Furthermore, the dosing of animals with L-serine and human clinical trials investigating the therapeutic effects of L-serine generally support the safety of L-serine.
BASIC ANALYSIS
|
Analysis |
Description |
Test Method |
|
Assay (dry basis) |
99.0～101.0% |
HPLC |
|
Loss on drying |
Not More Than 0.20% |
Dryer |
|
Residue on ignition |
Not More Than 0.10% |
Ph. Eur. |
|
Related substances |
Not More Than 0.2% |
Ph. Eur. |
|
Endotoxin* |
Less Than 6.0 EU/g |
Ph. Eur. |
|
State of solution(Transmittance) |
Not Less Than 98.0% |
Ph. Eur. |
|
PH |
5.2~6.2 |
Ph. Eur. |
|
Specific rotation[α]20D |
+14.4～+15.5° |
Ph. Eur. |
|
Specific rotation[α]25D |
+14.0～+15.6° |
Ph. Eur. |
|
Ammonium (NH4) |
Not More Than 0.020% |
Ph. Eur. |
|
Chloride (Cl) |
Not More Than 0.020% |
Ph. Eur. |
|
Sulfate (SO4) |
Not More Than 0.020% |
Ph. Eur. |
|
Iron (Fe) |
Not More Than 10 ppm |
ICP-MS/AOAC 993.14 |
|
Arsenic (As) |
< 1 ppm |
ICP-MS/AOAC 993.14 |
|
Cadmium (Cd) |
< 2 ppm |
ICP-MS/AOAC 993.14 |
|
Heavy metals (Pb) |
Not More Than 10 ppm |
ICP-MS/AOAC 993.14 |
|
Mercury (Hg) |
< 0.5 ppm |
ICP-MS/AOAC 993.14 |
Microbial Analysis
| Total Plate Count | < 3,000 cfu/g | AOAC 990.12 |
| Total Yeast & Mold | < 300 cfu/g | AOAC 997.02 |
| E. Coli | < 10 cfu/g | AOAC 991.14 |
| Coliforms | < 10 cfu/g | AOAC 991.14 |
| Salmonella | Negative | ELFA-AOAC |
| Staphylococcus | < 10 cfu/g | AOAC 2003.07 |
Function
L-serine plays an essential role in a broad range of cellular functions including protein synthesis, neurotransmission, and folate and methionine cycles and synthesis of sphingolipids, phospholipids, and sulphur containing amino acids.
