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L-Alanine is a colorless to white crystalline powder, soluble in water. Mainly used for biochemical research, tissue culture, liver function measurement, and as a flavor enhancer. It can increase the flavoring effect of seasoning and can also be used as a sour taste correcting agent to improve the acidity of organic acids.
Relative Specification:
L-Alanine (CAS 56-41-7)
DL-Alanine (CAS 302-72-7)
| Item | Specification | Result |
|---|---|---|
| Appearance | White crystalline powder | Pass |
| Transmittance | ≥98.0% | 99.0% |
| PH | 5.7 ~ 6.7 | 6.0 |
| Specific optical rotation [a]20D | +14.3° ~ +15.2° | +14.65° |
| Loss on drying | ≤0.20% | 0.05% |
| Ammonium (NH4) | ≤0.20% | <0.02% |
| Sulphate (SO4) | ≤0.20% | <0.01% |
| Chloride | ≤0.20% | <0.01% |
| As (AS2O3) | ≤1ppm | <1ppm |
| Heavy metals (Pb) | ≤10ppm | <10ppm |
| Residue on ignition | ≤0.1% | 0.07% |
| Iron (Fe) | ≤10ppm | <5ppm |
| Other aminoacids | Undetectable | None |
| Assay | 98.5% ~ 101.5% | 99.41% |
L-alanine (56-41-7) can improve the nutritional value of food in all kinds of food and beverages, such as bread, water ice point, fruit tea, milk, soda, sorbet, and so on. Adding 0.1 to 1% of alanine can obviously improve the utilization rate of the protein in food and beverage. Because alanine has the characteristics of being absorbed by cells directly, consuming it can quickly restore fatigue and refresh the body.
| Weight | Packing method |
|---|---|
| 1kg | bag/kg, box outside (double plastic bag + Aluminum foil bag inside) |
| 10kgs, 25kg or more | by Drums or carton (2 layers plastic bag inside) |
| Weight | Delivery method | Delivery time | Destination |
|---|---|---|---|
| 1kg-25kgs | EMS, DHL, UPS, Fedex | 3-7 days | Door to door |
| 25kgs-100kgs | DHL, FedEx, by Air | 3-7 days | Door to door (to Airport by Air) |
| more than 100kgs | by Air | 3-7 days | Door to Airport |
| by Sea | 10-35 days | Door to port |
A: L-Alanine is an active optical isomer predominantly used in biological processes, tissue culture, and pharma applications, whereas DL-Alanine is a racemic mixture of both D- and L-isomers, commonly used as a synthetic chemical intermediate or flavor corrector.
A: L-Alanine acts as a flavor enhancer and a sourness corrector in organic acids. Adding it in proportions of 0.1% to 1% to food and drinks can significantly boost the absorption and utilization rate of proteins.
A: We offer standard packaging configurations: 1kg in aluminum foil bags inside a carton box, or 10kg and 25kg bulk quantities packed in drums or larger cartons with secure double-layer plastic inner linings.
A: Small shipments via courier service (DHL, Fedex, EMS) take 3-7 days. Air cargo shipments take approximately 3-7 days, while sea freight orders can take between 10 to 35 days depending on the final port destination.
A: Yes, our L-Alanine is of high purity with an assay range between 98.5% and 101.5% and transmittance of ≥98.0%, which is well within strict pharmaceutical and food safety specifications.
