| Customization: | Available |
|---|---|
| Certification: | ISO, FDA, HACCP |
| Assay Method: | HPLC, UV |
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L-tryptophan powder is an essential amino acid for the human body. It is extracted from non-genetically modified corn or soybeans through microbial fermentation technology, with a purity of ≥98%. It has functions such as regulating serotonin synthesis, improving sleep and mood, and is widely used in the fields of food, health products, medicine and animal feed, meeting the requirements of natural and high biological activity.
| L-Tryptophan | USP32 | AJI92 | CP2015(Injection Grade) |
EP8 |
| Assay | 98.5- 101.5% |
99.0- 100.5% |
≥99.0% | 98.5-101.0% |
| PH | 5.5-7.0 | 5.4-6.4 | 5.4-6.4 | / |
| Specific rotationla]D²0 | / | -30.5°- -32.5° |
-30.0°-32.5° | 30.0°-33.0° |
| Specific rotationla]D²5 | -29.4°- -32.8° |
/ | / | / |
| Transmittance(T430) | / | ≥95.0% | ≥95.0% | clear &colorless ≤BY6 |
| Chloride(CI) | ≤0.05% | =0.02% | ≤0.02% | ≤0.02% |
| Ammonium(NH4) | / | ≤0.02% | ≤0.02% | ≤0.02% |
| Sulfate(SO4) | ≤0.03% | ≤0.02% | ≤0.02% | ≤0.03% |
| Iron(Fe) | ≤30PPM | ≤20PPM | ≤20PPM | ≤20PPM |
| Heavy metals(Pb) | ≤15PPM | ≤10PPM | s10PPM | ≤10PPM |
| Arsenic | / | ≤1PPM | ≤1PPM | / |
| Other amino acids | / | conform | ≤0.50% | Impurity A≤10ppm Sum of impurities with a retention time less than that of Tryptophan<100ppm Sum of impurities with a retention time great than that of Tryptophan and up to 1.8 time of N-acetyltryptophan<300ppm |
| Ninhydrin-positive substances |
/ | / | / | conform |
| Loss on drying | ≤0.30% | =0.20% | ≤0.20% | ≤0.50% |
| Residue on ignition | ≤0.10% | =0.10% | ≤0.10% | ≤0.10% |
| Organic volatile impurities | / | / | / | / |
| Endotoxin | / | / | <50EU/g | / |
Regulating neurotransmitters: As a precursor of serotonin, it improves sleep quality and emotional stability.
Boost immunity: Promote the synthesis of antibodies and immunoglobulins.
Metabolic support: Assist in the synthesis of niacin (vitamin B3) and maintain the balance of energy metabolism.
Low allergenicity: Non-animal source, suitable for vegetarians and people with allergic constitutions.
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