| CAS No.: | 73-22-3 |
|---|---|
| Formula: | C11h12n2o2 |
| EINECS: | 200-795-6 |
| Packaging Material: | Paper |
| Storage Method: | Normal |
| Shelf Life: | 2years |
| Customization: |
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| Product Name: | L-TRYPTOPHAN | Batch Weight: | 40KG |
| Testing basis: | USP32 | Batch NO: | SH20230204 |
| Manufacturing Date: | 4.FEB .2023 | Expiry Date: | 3.FEB .2027 |
| CAS NO: | 73-22-3 |
| ITEM | STANDARD | RESULT |
| Appearance | White or off-white crystalline powder | Conform |
| Identification | Infrared absorption | Conform |
| Specific rotation[a]D20° | -29.4°~-32.8° | -31.0° |
| Assay(HPLC) | 98.5%--101.5% | 99.5% |
| Loss om Drying | NMT 0.3% | 0.05% |
| Residue on ignition | ≤0.10% | 0.04% |
| Chloride(Cl) | ≤0.05% | <0.05% |
| Sulfate(SO4) | ≤0.03% | <0.03% |
| Iron(Fe) | ≤30PPM | <30PPM |
| PH | 5.5~7.0 | 5.7 |
| Heavy metals(Pb) | NMT 15 PPM | Complies |
| Total Plate Count | 1000/g Max. | Complies |
| Yeast & Mold | 100/g Max | Complies |
| Salmonella | Negative | Negative |
| E.Coli | Negative | Negative |
| Staphylococcus Aureus | Negative | Negative |
| This is certified that we, the undersigned,have inspected the quality of above-mentioned goods and found the result as follows. Conclusion: COMPLY WITH THE REQUIREMENTS OF USP32 ENTERPRISE STANDARD. |
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Storge: Cool and Dry Store in cool & dry place. Do not freeze.Keep away from strong light and heat.
Basic Info.
Tryptophan, n-indolealanine, white or yellowish crystalline or crystalline powder;No smell, slightly bitter taste.Slightly soluble in water, extremely slightly soluble in ethanol, insoluble in chloroform, easily soluble in formic acid, dissolved in sodium hydroxide test solution or dilute hydrochloric acid.Tryptophan is an important precursor of auxin biosynthesis in plants.
Fucntion:
1. L-Tryptophan is an important nutrient.
2. L-Tryptophan takes part in the renewal of animal blood plasma protein in the body
3. L-Tryptophan helps nicotinic acid and the synthesis of hemoglobin. It can significantly increase antibody in pregnant animals baby.
4. L-Tryptophan can promote lactation of cows and sows.
5. L-Tryptophan is used as control agent of pellagra.
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