EN
L-Tyrosine is a non-essential amino acid that participates in protein synthesis and neurotransmitter production.
L-Tyrosine plays a vital role in the metabolism, growth, and development of humans and animals, and is widely used in the food, feed, pharmaceutical, and chemical industries.
L-Tyrosine is commonly used as a nutritional supplement for patients with phenylketonuria (PKU), and as a raw material in the preparation of pharmaceutical and chemical products such as polypeptide hormones, antibiotics, L-DOPA, melanin, p-hydroxycinnamic acid, and p-hydroxystyrene.
| CERTIFICATION OF ANALYSIS | |||||||||||
| Product Name: | L-Tyrosine | Report Date: 2025.06.09 | |||||||||
| Manufacture Date: | 2025.06.09 | Retest Date: 2027.06.08 | |||||||||
| Batch No.: | 20250609 | Quantity: 1000kg | |||||||||
| Item | Specification | Result | |||||||||
| Appearance | White crystalline powder | Conforms | |||||||||
| Identification | Conforms | Conforms | |||||||||
| Specific rotation [α]D25 | -9.8 °to -11.2 ° | -10.55 ° | |||||||||
| Loss on drying | Not more than 0.30% | 0.13% | |||||||||
| Residue on ignition | Not more than 0.40% | 0.20% | |||||||||
| Chloride(Cl) | Not more than 0.04% | Conforms | |||||||||
| Sulfate(SO4) | Not more than 0.04% | Conforms | |||||||||
| Iron(Fe) | Not more than 30ppm | Conforms | |||||||||
| Heavy metals | Not more than 15ppm | Conforms | |||||||||
| Lead | Not more than 3ppm | Conforms | |||||||||
| Mercury | Not more than 0.1ppm | Conforms | |||||||||
| Cadmium | Not more than 1ppm | Conforms | |||||||||
| Any individual impurities | Not more than 0.50% | Conforms | |||||||||
| Total impurities | Not more than 2.0% | Conforms | |||||||||
| Assay | 98.5% to 101.5% | 100.6% | |||||||||
| Conclusion : | The Products Conforms to USP32 standard. | ||||||||||
| Packing info&Storage condition | 25KG/ Drum, packed with 2-tier polyethylene bag as inner. Keep container dry and tightly closed;Keep in a cool well-ventilated place;Keep away from heat and oxidizing agents. |
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