L-Theanine
L-Theanine (98% HPLC), the calming amino acid from green tea, promotes relaxation without drowsiness and enhances cognitive focus. White powder for stress relief and supplement formulations.
| 规格名称 | 规格值 |
|---|---|
| Appearance | White to yellowish white crystalline powder |
| Assay | 98%HPLC |
| CAS No. | 3081-61-6 |
| Shelf Life | 24 months |
| Stock | Regular storage |
L-Theanine
L-Theanine Details
Specification: 98%HPLC
Molecular formula: C7H14N2O3
Packing: 25kg/drum
Storage: Stored in closed containers in a cool, dry, well-ventilated area.
L-Theanine Specification:
| Testing Item | Specification |
|---|---|
| Appearance | White to yellowish white crystals or crystalline powder |
| Solution clarity | Clear and colorless |
| Assay | 98.0%～102.0% |
| Specific rotation | +7.7°~+8.5° |
| PH | 4.5-6.0 |
| Loss on drying(%) | ≤ 1.0% |
| Residue on ignition(%) | ≤ 0.2% |
| Chloride(%) | ≤ 0.02% |
| Sulfate(%) | ≤ 0.02% |
| Particle size | 90% through 0.18mm mesh |
| Heavy Metals | ≤ 10ppm |
| Iron(Fe) | ≤ 30ppm |
| Arsenic(As) | ≤ 2ppm |
| Mercury(Hg) | ≤ 0.1ppm |
| Cadmium(Cd) | ≤ 1ppm |
| Total Plate Count | ≤ 1000 cfu/g |
| Moulds and Yeasts | ≤ 100 cfu/g |
| Salmonella/25g | Absence |
| E.Coli | Absence |
