China OEM 100% Natural L-Cysteine - L-Tyrosine – Boyu
China OEM 100% Natural L-Cysteine - L-Tyrosine – Boyu Detail:
Characteristics: White powder, Odorless and tasteless. Very slightly soluble in water, insoluble in absolute ethanol, methanol or acetone; soluble in dilute hydrochloric acid or dilute nitric acid.
Item | Specifications |
Appearance | White crystals or crystalline powder |
Specific rotation [a]D20° | -11.3o ~-12.1o |
Transmittance | ≥98.0% |
Loss on drying | ≤0.20% |
Residue on ignition | ≤0.10% |
Chloride (Cl) | ≤0.02% |
Sulfate | ≤0.02% |
Iron(Fe) | ≤10ppm |
Arsenic | ≤1ppm |
Heavy metals(Pb) | ≤10ppm |
PH | 5.0 ~ 6.5 |
Assay | 98.5%~101.5% |
Uses:
Raw materials, food additives
1.Amino acid drugs, raw materials for amino acid infusion and amino acid compound preparations.
2.Biochemical reagents, bulk drugs. It is a non-essential amino acid for human body. Soothe the nerves, resist depression, stabilize mood; slow down heart rate, regulate blood pressure; improve body endurance.
3.Nutritional supplements. It is used in medicine to treat myelitis, tuberculosis encephalitis, hyperthyroidism and other diseases. It is also used to manufacture L-dopa diiodotyrosine. After co-heating with sugars, the amino carbonyl reaction can generate special flavor substances.
4. It can be used as a preparation for the elderly, children’s food and plant leaf nutrition, etc.
Stored: in dry, clean and ventilated places. In order to avoid pollution, it is prohibited to place this product together with poisonous or harmful substances. The expiry date is for two years.
FAQ
Q1: What market segments do you cover?
A1: Europe and America, Southeast Asia, the Middle East
Q2: Can I have some samples?
A2: We can provide 10g–30g free samples, but the freight will be borne by you, and the cost will be refunded to you or deducted from your future orders.
Q3: How about dose the delivery time.
A3: We delivery on time, samples are delivered in one week.
Q4: delivery time.
A4: We delivery on time, samples are delivered within2-3days;
Q5: Does your company participate in the exhibition?
A5: We participate in exhibitions every year, like API, CPHI,CAC exhibition
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With our outstanding administration, powerful technical capability and strict top quality handle procedure, we go on to provide our purchasers with reliable good quality, reasonable selling prices and excellent services. We goal at becoming certainly one of your most responsible partners and earning your gratification for China OEM 100% Natural L-Cysteine - L-Tyrosine – Boyu , The product will supply to all over the world, such as: Zimbabwe, Greenland, Angola, We sincerely hope to cooperate with customers all over the world, if you would like to have more information, make sure you kindly contact us, we have been looking forward to building up a great business relationship with you.

The after-sale warranty service is timely and thoughtful, encounter problems can be resolved very quickly, we feel reliable and secure.
