73-22-3 Essential Amino Acids Power L-Tryprophan for Niacin control agents in medicine

73-22-3 Essential Amino Acids Power L-Tryprophan for Niacin control agents in medicine

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Shanghai Xintai Chemicals Co.,Ltd

Free Member  (2012)

[ Shanghai, SG, China ]

Business Type:  Manufacturer

Supplier has 50 products

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Detail: 73-22-3 Essential Amino Acids Power L-Tryprophan for Niacin control agents in medicine

Product name: L-Tryptophan
Abbreviation: L-Trp
CAS Number: 73-22-3
Chemical Name: (2S)-2-Amino-3 -(indol-3-yl) Propanoic Acid
Chemical Formula: C11H12N2O2
Molecular Weight: 204.2300
Solubility: Slightly soluble in water
Property: White to yellowish white crystals, or crystalline powder
L-tryptophan is an essential amino acid, which means it is not synthesized by the human body and must be acquired through the diet. The male adults requirement is 3.5 mg per kg of body weight. L-tryptophan is one of the least abundant essential amino acids; however, it is one of the most crucial, particularly in the production of niacin and serotonin. Sources of L-tryptophan include dairy products, beef, poultry, barley, brown rice, fish, soybeans and peanuts.
L-tryptophan is a natural sedative. In the brain it is converted into serotonin, which is then converted into melatonin, which plays a key role in balancing sleep and mood patterns. L-tryptophan is used as an active ingredient in antidepressant therapy. Other uses of L-tryptophan include weight loss and reduction of PMS.
This product is an important nutritional agent. It participates in the update of plasma protein in vivo, and promote the riboflavin to play a role, but also contribute to the synthesis of nicotinic acid and heme, it significant increase antibodies in the pregnant animal fetuses, and promote lactation of lactating dairy cows. When the livestock and poultry is lack of tryptophan, growth retardation, weight loss, reduced fat accumulation, testicular atrophy appears in livestock. Also used as Niacin control agents in medicine.


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Item | Specification(USP24) | Results |
Description | Whitecrystalsorcrystalline powder powdercrystalline | Conforms |
Specificrotation[]D20 | -29.4to-32.8 | -31.2 |
Chloride(Cl) | Notmorethan0.05% | Lessthan0.05% |
Sulfate(SO4) | Notmorethan0.03% | Lessthan0.03% |
Iron(Fe) | Notmorethan0.003% | Lessthan0.003% |
Heavymetals(Pb) | Notmorethan0.0015% | Lessthan0.0015% |
Lossondrying | Notmorethan0.3% | 0.14% |
Residueonignition(sulfated) | Notmorethan0.1% | 0.05% |
Organicvolatileimpurities | Meetstherequirements | Meetstherequirements |
Assay | 98.5%to101.5% | 99.6% |
PH | 5.5to7.0 | 5.8 |
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About Us

Shanghai Xintai Chemicals Co., Ltd. was founded in Shanghai in 1995,We are specialized in Amino acid series, amino acid powder, Fertilizers,feed grade amino acid, Food additives, Feed additives, pharmaceutical raw material, alanine amino acid and so on.

We have our own plant and R&D center, and combined with efficient processing technology, advanced equipment, our products sell well all over the world. We are committed to providing high-quality products at competitive prices with superior services for our customers.

If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future.

We insist on "Sincere Cooperation, Hard Development" for aim. We were received" Advanced Business Enterprise", " Advanced Unit for Ratepaying " and "Enterprise Of Observing Contract And Valuing Credit" for successive years.
With all sincerity, we hope we can build mutual benefit co operational partners base of your support and create a bright future together.

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