Product Name: l-tyrosine
Appearance: White powder
Purity: 98%
CAS NO: 55520-40-6
M.F.:
L-cysteine, a common amino acid in a living organism.As one of the alpha sulfur amino acids, encounter nitroprusside (nitroprusside) purple color (SH), found in many proteins, glutathione, and Ag +, Hg + and Cu + of metal ion can form insoluble mercaptide (mercaptide).Colorless crystals.Soluble in water, ethanol, acetic acid and ammonia, insoluble in ether, acetone, ethyl acetate, benzene, disulfide carbon and carbon tetrachloride.It can be oxidized to cystine in neutral and weakly alkaline solutions.
Product: | l-cysteine | EINECS No: | 200-460-4 |
CAS NO: | 55520-40-6 | Molecular Formula: | C9H11NO3 |
Item | Specification |
Assay | 98.5%~101.5% |
Appearance | White Powder |
Odor | Characteristic |
Taste | Characteristic |
Particle Size | NLT 100% Through 80 mesh |
Loss on Drying | <2.0% |
Heavy metals | |
Total Heavy Metals | ≤10ppm |
Arsenic | ≤3ppm |
Lead | ≤3ppm |
Microbiological | |
Total Plate Count | ≤1000cfu/g |
Total Yeast & Mold | ≤100cfu/g |
E.Coli | Negative |
Salmonella | Negative |
Conclusion | Conform with specification |
Storage | Store in sealed containers at cool & dry place. |
| Protect from light, moisture and pest infestation. |
Shelf Life | 2 years when properly stored |
Tyrosine is a non-essential amino acid, it has to regulate emotions, stimulate the role of the nervous system. In addition to help speed up the body metabolism, treatment of chronic fatigue and other diseases. The body needs enough tyrosine to produce many important brain chemicals to help regulate appetite, pain sensitivity, and the body's response to stress.
1. Pharmaceutically, L-Tyrosine is used in hyper-thyroidism treatment; Special flavoring can be produced heated and reacted with saccharides.
2.Usage limit: It takes up 1.6% of the total protein in food( FDA ,§ 172.320 , 1994 )
3.L-TyrosineTransportation:Handle with care, avoid damage on packaging. L-Tyrosine is non-hazardous chemical. Protect it from sunlight and rains. Keep away from poisonous and harmful substance in transit.
