L-Tyrosine 99% | 60-18-4
Product Description:
Tyrosine (L-tyrosine, Tyr) is an important nutritional essential amino acid, which plays an important role in the metabolism, growth and development of humans and animals, and is widely used in food, feed, medicine and chemical industries. It is often used as a nutritional supplement for patients with phenylketonuria, and as a raw material for the preparation of pharmaceutical and chemical products such as polypeptide hormones, antibiotics, L-dopa, melanin, p-hydroxycinnamic acid, and p-hydroxystyrene.
With the discovery of more high value-added L-tyrosine derivatives such as danshensu, resveratrol, hydroxytyrosol, etc. in vivo, L-tyrosine is increasingly developing towards the direction of platform compounds.
The efficacy of L-Tyrosine99%:
Medicine for hyperthyroidism;
Food additives.
It is an important biochemical reagent and the main raw material for the synthesis of polypeptide hormones, antibiotics, L-dopa and other drugs.
Widely used in agricultural scientific research, also used as beverage additives and preparation of artificial insect feed.
Technical indicators of L-Tyrosine99%:
Analysis Item Specification
Assay 98.5-101.5%
Description White crystals or crystalline powder
Specific rotation[a]D25° -9.8°～-11.2°
Identification Infrared absorption
Chloride(Cl) ≤0.040%
Sulfate(SO4) ≤0.040%
Iron(Fe) ≤30PPm
Heavy metals(Pb) ≤15PPm
Arsenic(As2O3) ≤1PPm
Loss on drying ≤0.20%
Residue on ignition ≤0.40%
Bulk Density 252-308g/L
