1 / 5
Akston Health
Akston Health
| Product Name | Tryptophan |
| Appearance | White powder |
| Specification | 98% |
| Grade | Food Grade |
| Quality Guarantee Period | 2 Years |
| ANALYSIS | SPECIFICATION | RESULT |
|---|---|---|
| Appearance | White powder | Confirm |
| Identification(IR) | Concordant with the reference spectrum | Confirm |
| Assay | ≥98.5% | 99.8% |
| Specific rotation[a]D20 | -84.5°~ -86.0° | -85.1° |
| PH Value | 5.9~6.9 | 6.3 |
| State of solution(Transmittance T430) | ≥98.0% | 99.4% |
| Chloride(Cl) | ≤0.02% | <0.02% |
| Sulfate(SO4) | ≤0.02% | <0.02% |
| Ammonium(NH4) | ≤0.02% | <0.02% |
| Other amino acids | ≤0.5% | <0.5% |
| Loss on drying | ≤0.3% | 0.1% |
| Organic volatile impurities | ≤0.1% | 0.04% |
| Iron(Fe) | ≤0.001% | <0.001% |
| Heavy metals(Pb) | ≤0.001% | <0.001% |
| Arsenic(As) | ≤0.0001% | <0.0001% |
A1: Tryptophan is an essential amino acid commonly used in food fortification, dietary supplements, and nutritional formulas. It serves as a vital precursor to serotonin and melatonin, supporting healthy cognitive and sleep regulation.
A2: Our Tryptophan powder features a high-grade purity specification of ≥98.5% (with standard test report results showing up to 99.8%), meeting strict food-grade compliance and safety guidelines.
A3: We recommend storing the Tryptophan powder in a cool, dry place, sealed in its original container. Avoid direct exposure to sunlight, humidity, and temperatures exceeding standard room levels.
A4: The product has a standard quality guarantee period of 2 years from the manufacturing date, provided it is kept under recommended storage conditions.
A5: Yes, a batch-specific COA containing detailed test results on assay, pH value, loss on drying, heavy metals, and physical appearance is provided with every shipment to ensure quality control.
