L-Glutamine
CAS No.: 56-85-9
Product Name:
CAS#56-85-9
Spec: food grade
Delivery time: in stock for prompt shipment.
Dangerous goods or not: Not
Country of origin: China
CAS#56-85-9
Spec: food grade
Delivery time: in stock for prompt shipment.
Dangerous goods or not: Not
Country of origin: China
Description
Spec of L-Glutamine:
| Items | Specification | Results |
| Appearance | Crystalline powder | Crystalline powder |
| Color | Whitish | Whitish |
| Aroma | None | None |
| Flavor | Slightly sweet | Slight sweet |
| Identification | Infrared absorption | Conform |
| PH | 4.0-6.0 | Conform |
| Assay (Dry basis) | 98.5-101.5 | 99.8% |
| Specific Rotation [α] D20℃ H2O solution | +6.3° – +7.30° | +6.62° |
| Loss on drying | ≤0.3% | 0.08% |
| Ignited residue | ≤0.1% | 0.07% |
| Heavy metals | ≤5ppm | <5ppm |
| Transmittance | ≥98% | 99.3% |
| Insoluble foreign matter in amino acids |
No fibers longer than 5mm |
Conform |
| Whiteness | ≥95% | Conform |
| mesh size | ≥95%pass120 mesh | Conform |
| g/ml Bulk density | ≥0.52g/ml | 0.55g/ml |
| Arsenic | ≤1ppm | Conform |
| Lead | ≤3ppm | Conform |
| Cadmium | ≤1ppm | Conform |
| Mercury | ≤0.1ppm | Conform |
| Total plate count | ≤1000cfu/g | Conform |
| Yeast and mould | ≤100cfu/g | Conform |
| Coliforms | ≤3 MPN | Conform |
| Salmonella | Absent in 25g | Conform |
| E-Coil | Absent in 25g | Conform |
| staphylococcus | Absent in 25g | Conform |
