Shanghai ValleyLily Enterprise Co., Ltd.
L-Tryptophan is a high-quality, feed-grade essential amino acid crucial for optimal animal health and performance. This white to off-white crystalline powder is rigorously tested to ensure purity and effectiveness, making it an ideal additive for various livestock and aquaculture applications.
Key Features:
Benefits for Animals:
Ideal For:
Storage & Packaging:
| Product Name | L-Tryptophan | 
| CAS No. | 73-22-3 | 
| EINECS No. | 200-795-6 | 
| Appearance | White to off-white crystalline powder | 
| MF (Molecular Formula) | C11H12N2O2 | 
| Purity | ≥ 98.5% (on dry basis) | 
| Keywords | Essential amino acid, feed additive, appetite regulator, stress reducer | 
| Grade | Feed Grade | 
| Application | Used in swine, poultry, and aquaculture feed to improve growth rate, enhance feed intake, and reduce aggressive behavior caused by tryptophan deficiency. | 
| Shelf Life | 24 months | 
| Storage | Store in a cool, dry, and well-ventilated place. Protect from light, moisture, and high temperatures. | 
| Packaging | 25kg bags. Customized packaging is available upon request. | 
| Testing Item | Standard | 
|---|---|
| Appearance | White to off-white crystalline powder | 
| Assay (on dry basis) | ≥ 98.5% | 
| Loss on Drying | ≤ 0.5% | 
| Heavy Metals (Pb) | ≤ 10 ppm | 
| Arsenic (As) | ≤ 2 ppm | 
| Residue on Ignition | ≤ 0.3% | 
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