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Product Name | L-Tryptophan (feed grade) | Test Standard | Q/AFF08-2008,AJI92 | |
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Item | Standard date | Actual data | ||
Description: | White crystalline or pale yellow crystalline powder | Pass test | ||
Content (On dry base), % ≥ | 98 | 98.57 | ||
Specific rotation | -29.0°—-33.0° | -31.04° | ||
Chloride, % ≤ | 0.03 | 0.004 | ||
Sulfate % ≤ | 0.03 | 0.0005 | ||
Heavy metals (Pb), % ≤ | 0.002 | 0.0006 | ||
Loss on dry, % ≤ | 0.5 | 0.14 | ||
Residue on ignition, % ≤ | 0. 5 | 0.1 | ||
L-Tryptophan is one of essential amino acids in animal and human diet; it’s needed for normal growth in infants and for nitrogen balance in adults. The body uses tryptophan to help make niacin and serotonin. Serotonin is thought to produce healthy sleep and a stable mood.
L-Tryptophan