| Function: | Nutritional Therapeutics |
|---|---|
| Certification: | GMP |
| Grade Standard: | Medicine Grade |
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| L-Tryptophan | AJI97/USP24/FCC |
| Appearance | White crystals or crystalline powder |
| Specific Rotation | -29.0°~-32.3° |
| Loss on Drying | 0.5% Max |
| Heavy Metals | 20mg/kg Max |
| Arsenic(As2O3) | 2mg/kg Max |
| Residue on ignition | 0.5% Max |
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