| Customization: | Available |
|---|---|
| Certification: | CCC, CE, ISO, QS, SGS, FDA, Health Certificate |
| Shape: | Powder |
|
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Wholesale Price Feed Grade Cas 73-22-3 D-Tryptophan L-Tryptophan
|
Testing Item
|
Standard
|
Result
|
|
Appearance
|
White or almost white, crystals or crystalline powder
|
conforms
|
|
Assay
|
98.5%~101.5%
|
99.6%
|
|
Specific Rotation
|
-29.0° -32.8°
|
-30.8°
|
|
Residue on Ignition
|
≤0.1%
|
0.03%
|
|
Loss on drying
|
≤0.3%
|
0.1%
|
|
PH
|
5.0~7.0
|
5.9
|
|
Chloride
|
≤0.05%
|
<0.05%
|
|
Sulfate
|
≤0.03%
|
<0.03%
|
|
Iron
|
≤0.002%
|
<0.002%
|
|
Heavy Metal(Pb)
|
≤0.0015%
|
conforms
|
|
Arsenic(As)
|
≤0.0001%
|
conforms
|
1. L-Tryptophan is an important nutrient.
2. L-Tryptophan takes part in the renewal of animal blood plasma protein in the body
3. L-Tryptophan helps nicotinic acid and the synthesis of hemoglobin. It can significantly increase antibody in pregnant animals baby.
4. L-Tryptophan can promote lactation of cows and sows.
5. L-Tryptophan is used as control agent of pellagra.
25kg pp bags or Fiber drum,
Stored in a ventilative and dry warehouse instead of in the open air, kept away from water
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