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| Customization: | Available |
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| 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
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Testing Item
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Standard
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Result
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Appearance
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White or almost white, crystals or crystalline powder
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conforms
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Assay
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98.5%~101.5%
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99.6%
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Specific Rotation
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-29.0° -32.8°
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-30.8°
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Residue on Ignition
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≤0.1%
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0.03%
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Loss on drying
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≤0.3%
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0.1%
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PH
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5.0~7.0
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5.9
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Chloride
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≤0.05%
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<0.05%
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Sulfate
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≤0.03%
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<0.03%
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Iron
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≤0.002%
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<0.002%
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Heavy Metal(Pb)
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≤0.0015%
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conforms
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Arsenic(As)
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≤0.0001%
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conforms
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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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