L-Tyrosine
Amino Acids 2025-03-02
It is a non essential amino acid that is the raw material for various products in the body. Tyrosine can be converted into various physiological substances through different metabolic pathways in the body.
Product name: L-Tyrosine
| Category | Details |
|---|---|
| CAS Number | 60-18-4 |
| Formula | C₉H₁₁NO₃ |
| Molecular Weight | 181.19 g/mol |
| Type | Non-essential aromatic amino acid |
| Roles | Precursor to neurotransmitters (dopamine, norepinephrine, epinephrine) |
| Metabolic Effects | Supports thyroid hormone synthesis; regulates melanin production |
| Applications | Treats phenylketonuria; dietary supplement for stress/fatigue |
| Safety | LD50 >1450 mg/kg (oral, rat); GRAS status |
| Solubility | 0.45 g/L in water (25°C); soluble in dilute acids/bases |
| Production | Microbial fermentation from glucose or glycerol |
| Industry Use | Pharmaceuticals, nutrition, cosmetics, biochemical research |
Description
It occurs as colorless, silky needles or as a white, crystalline powder. One gram is soluble in about 230 mL of water. It is soluble in dilute mineral acids and in alkaline solutions. It is very slightly soluble in alcohol.
Application
It is a non-essential amino acid, which is widely used in food, feed, pharmaceutical and chemical industry. L-tyrosine is a nutritional supplement used as raw material for amino acid infusion and compound preparation of amino acid, for the treatment of poliomyelitis, tuberculous encephalitis, hyperthyroidism and other diseases.
Specification
Appearance A white or almost white, crystalline powder or colourless crystals Appearance of solution Clear and not more intensely colored than reference solution Y7 Specific rotation -11.0°~ -12.3° Ninhydrin-positive substances ≤ 0.5% Chloride ≤ 0.02% Sulfates ≤ 0.03% Ammonium ≤ 0.02% Iron ≤10ppm Heavy metals ≤10ppm Lead ≤5ppm Loss on drying ≤ 0.5% Residue on ignition ≤ 0.1% Assay 99.0-101.0% Packing 25kg/drum or as per requirement. Storage Store in a cool dry place and protected from light.
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