L-Tryptophan
| Model: | 456 |
|---|---|
| Brand: | Hono |
| Origin: | Made In China |
| Category: | Chemicals / Pharmaceutical Chemicals |
| Label: | - |
| Price: |
US $50
/ pc
|
| Min. Order: | 50 pc |
Product Description
Product name: L-Tryptophan
Synonyme: (S)-2-Amino-3-(1H-indol-3-yl)propanoic acid
CAS#: 73-22-3
Molecular Fomula: C11H12N2O2
Molecular Structure:
Specification:
|
Item
|
Specification
|
|
Appearance
|
White to slightly yellowish white crystals or crystalline powder
|
|
Identification
|
Infrared Absorption: Positive
|
|
Specific rotation[α]D20
|
-29.4°~ -32.8°
|
|
pH (1%)
|
5.5~7.0
|
|
Loss on drying
|
NMT 0.3%
|
|
Residue on ignition
|
NMT 0.1%
|
|
Chloride
|
NMT 0.05%
|
|
Sulfate
|
NMT 0.03%
|
|
Iron
|
NMT 0.003%
|
|
Heavy metals (as Pb)
|
NMT 0.0015%
|
|
Arsenic
|
NMT 1ppm
|
|
Organic volatile impurity
|
Meet the requirements
|
|
Assay
|
98.5~101.5% (on dried basis)
|
|
Solubility
|
|
|
Hydrochloric acid dilute
|
Soluble
|
|
Hot alcohol
|
Soluble
|
Function:
L-Tryptophan is a natural anti-depressant, plentiful in protein foods but largely lost through cooking and processing.
L-Tryptophan is a naturally occurring amino-acid. It is a precursor for the mood-regulating serotonin the brain neurotransmitter linked with pleasure and fulfilment.
L-Tryptophan's is used to alleviate depression, support alcohol withdrawal and to aid weight loss. It plays an important role in our diets, and aging individuals are often in need of it as a supplement.
Member Information
| Ningbo Honor International Co.,LTD | |
|---|---|
| Country/Region: | China |
| Business Nature: | Manufacturer |
| Phone: | 86 574-56118739 |
| Contact: | Mavis (Sales Manager) |
| Last Online: | 24 May, 2010 |
Related Products of this Company
-
L-Ornithine L-Aspartate
US $30
-
Cactus extract
US $10
-
Vitamin E
US $30