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China High Quality Ferrous Lactate Factory - L-Tryptophan | 73-22-3 – COLORKEM

China High Quality Ferrous Lactate Factory - L-Tryptophan | 73-22-3 – COLORKEM


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China High Quality Ferrous Lactate Factory - L-Tryptophan | 73-22-3 – COLORKEM Detail:

Products Description

Tryptophan (IUPAC-IUBMB abbreviation: Trp or W; IUPACabbreviation: L-Trp or D-Trp; sold for medical use as Tryptan) is one of the 22standard amino acids and an essential amino acid in the human diet, as demonstrated by its growth effects on rats. It is encoded in the standardgenetic code as the codon UGG. Only the L-stereoisomer of tryptophan is used instructural or enzyme proteins, but the R -stereoisomer is occasionally found innaturally produced peptides (for example, the marine venom peptide contryphan).The distinguishing structural characteristic of tryptophan is that it containsan indole functional group.
There isevidence that blood tryptophan levels are unlikely to be altered by changing the diet, but for some time, tryptophan has been available in health foodstores as a dietary supplement.
Clinicalresearch has shown mixed results with respect to tryptophan’s effectiveness asa sleep aid, especially in normal patients. Tryptophan has shown some effectiveness for treatment of a variety of other conditions typically associated with low serotonin levels in the brain. In particular, tryptophanhas shown some promise as an antidepressant alone and as an”augmenter” of antidepressant drugs. However, the reliability of these clinical trials has been questioned because of lack of formal controlsand repeatability. In addition, tryptophan itself may not be useful in the treatment of depression or other serotonin-dependent moods, but may be useful in understanding the chemical pathways that will give new research directions for pharmaceuticals.

Certification of Analysis

ANALYSIS SPECIFICATION RESULTS
Appearance White crystals or crystalline powder Complies
Odor Characteristic Complies
Tasted Characteristic Complies
Assay 99% Complies
Sieve Analysis 100% pass 80 mesh Complies
Loss on Drying 5% Max 1.02%
Sulphated Ash 5% Max 1.3%
Extract Solvent Ethanol & Water Complies
Heavy Metal 5ppm Max Complies
As 2ppm Max Complies
Residual Solvents 0.05% Max Negative
Microbiology    
Total Plate Count 1000/g Max Complies
Yeast & Mold 100/g Max Complies
E.Coli Negative Complies
Salmonella Negative Complies

Specification

ITEMS STANDARD
Appearance White crystals or crystalline powder
Assay 98% Min
Specific Rotation -29.0~ -32.3
Loss on Drying 0.5% Max
Heavy Metals 20mg/kg Max
Arsenic(As2O3) 2mg/kg Max
Residue on ignition 0.5% Max

Package: 25 kgs/bag or as you request.
Storage: Store at a ventilated, dry place.
Standards excuted: International Standard.


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China High Quality Ferrous Lactate Factory - L-Tryptophan | 73-22-3 – COLORKEM detail pictures


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We've one of the most advanced generation tools, experienced and qualified engineers and workers, recognized good quality manage systems and a friendly skilled product sales workforce pre/after-sales support for China High Quality Ferrous Lactate Factory - L-Tryptophan | 73-22-3 – COLORKEM , The product will supply to all over the world, such as: Niger, Pakistan, Australia, Our company has always insisted on the business principle of Quality, Honest, and Customer First by which we have won the trust of clients both from at home and abroad. If you are interested in our solutions, you should do not hesitate to contact us for further information.
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    5 Stars By Edwina from Rwanda - 2018.06.21 17:11