 Origin |
China |
| Model Number |
in-house standard |
| CAS No. |
73-22-3 |
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:
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Item
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Specification
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Appearance
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White to slightly yellowish white crystals or crystalline powder
|
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Identification
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Infrared Absorption: Positive
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Specific rotation[α]D20
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-29.4°~ -32.8°
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pH (1%)
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5.5~7.0
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Loss on drying
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NMT 0.3%
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Residue on ignition
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NMT 0.1%
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Chloride
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NMT 0.05%
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Sulfate
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NMT 0.03%
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Iron
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NMT 0.003%
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Heavy metals (as Pb)
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NMT 0.0015%
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Arsenic
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NMT 1ppm
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Organic volatile impurity
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Meet the requirements
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Assay
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98.5~101.5% (on dried basis)
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Solubility
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Hydrochloric acid dilute
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Soluble
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Hot alcohol
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Soluble
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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.
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