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L-Proline
A nonessential amino acid in human. It is synthesized from L-glutamine and L-glutamate via L-ornithine in intestine, and from L-ornithine in liver. It is widely used as an ingredient in infusion and infant formula.
Cas.No | 147-85-3 |
Assay | 99.0-101.0% |
Specification | White crystals or crystalline powder, odorless or slightly characteristic odor, slightly sweet taste |
Applications | Infusion |
Packaging | 25kg&50kg |
Pharmacopeia | USP,EP,FCC |
STORAGE | Controlled room temperature in tight container |
SPECIFICATION AND PROCEDURE
State of solution (Transmittance) |
Not Less Than 98.0% |
pH | 5.9~6.9 |
Specific rotation[α]20D | -84.5~-86.0° |
Specific rotation[α]25D | -84.3~-86.3° |
Ammonium (NH4) | Not More Than 0.020% |
Chloride (Cl) | Not More Than 0.020% |
Sulfate (SO4) | Not More Than 0.020% |
Iron (Fe) | Not More Than 10 ppm |
Heavy metals (Pb)** | Not More Than 10 ppm |
Arsenic (As2O3) | Not More Than 1 ppm |
Loss on drying | Not More Than 0.25% |
Residue on ignition | Not More Than 0.10% |
JP16 | 0.1% |
Endotoxin* | Less Than 6.0 EU/g |
Assay (dry basis) | 99.0~101.0% |
· * The endotoxin-certified grade will be supplied on request.
· ** FCC grade (Lead : Not More Than 5 mg/kg) will be supplied on request.
· This product meets requirements of residual solvents listed in the current JP, USP and EP.
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