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L-Tryptophan Feed grade

L-Tryptophan Feed grade
Model: CAS No: 73-22-3
Product Description:

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.<o:p>

Technique parameter:
Item Specification  Results
 
Description
White to light yellow crystals or crystal powder
powder
 
 
 
 
 
 
powdercrystalline
Conforms
 
Specific rotation [α]D20
-29.0°to -32..8° -30.2°
 
Heavy metals(Pb)
Not more than 20mg/kg Conforms
 
Loss on drying
 
Not more than 0.5%
0.39%
 
Crude ash
 
 
 
 
 
 
Not more than 0.5% 0.29%
Ph value 5.0~7.0 5.11
 
Assay
Not less than 98.0% 99.2%

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