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China L-Tryptophan Feed Additive Suppliers - Next-Gen Bioactive Ingredient from Factory with ≥98.0% Purity
Product Specifications
| Product Name | L-Tryptophan |
| Active Ingredient | L-Tryptophan (Dry Basis) ≥98.0% |
Physical & Chemical Indicators:
| Loss on Drying | ≤0.5% |
| Residue on Ignition | ≤0.5% |
| pH (1% Solution) | 5.0–7.0 |
| Heavy Metals |
Arsenic (As): ≤2.0 mg/kg Lead (Pb): ≤5.0 mg/kg Cadmium (Cd): ≤2.0 mg/kg Mercury (Hg): ≤0.1 mg/kg |
| Microbiological Limits | Salmonella: Not detected |
Functions
L-Tryptophan is essential for:
- Protein Synthesis: Supports muscle growth and tissue repair in animals.
- Feed Efficiency: Enhances nutrient absorption and improves feed conversion ratios.
- Stress Reduction: Regulates serotonin production, reducing stress and aggressive behavior in livestock.
- Immune Support: Strengthens immune response and overall metabolic health.
Storage & Packing
Storage Conditions
- Store in a dry, well-ventilated area under normal ambient conditions.
- Avoid exposure to direct sunlight, moisture, or extreme temperatures.
Packaging Details
- Net Weight: 20 kg/bag
- Shelf Life: 36 months
Usage & Dosage
Application
Uniformly blend into compound feed or premixes.
Recommended Dosage
- General Use: 0.1–1.0 kg per metric ton of feed.
- Swine: 0.1–0.5 kg/ton of feed
- Poultry: 0.05–0.3 kg/ton of feed
- Aquaculture: 0.2–0.6 kg/ton of feed
* Adjust dosage according to species-specific requirements or veterinary guidance.
Additional Notes
- Precautions: Ensure thorough mixing to avoid segregation.
Compatibility & Contraindications
Compatible With
- Amino Acids: Lysine, methionine, threonine.
- Vitamins: B-complex vitamins (especially B6, which aids tryptophan metabolism), vitamins A, D, E.
- Minerals: Phosphates, calcium carbonate, selenium yeast (at recommended levels).
- Acidifiers: Organic acids (e.g., fumaric acid, citric acid).
- Antioxidants: Ethoxyquin, natural extracts (e.g., tocopherols).
Contraindications
- Alkaline Substances: (e.g., sodium bicarbonate, excess limestone) May reduce bioavailability by altering pH and degrading tryptophan.
- Strong Oxidizers: (e.g., potassium permanganate, hydrogen peroxide) Risk of chemical breakdown.
- Hygroscopic Additives: (e.g., choline chloride) Pre-mix with a dry carrier (e.g., soybean meal) to prevent moisture absorption and clumping.
- High Copper/Zinc Levels: May chelate tryptophan, reducing absorption.
- Direct UV Exposure: Degrades tryptophan; store in opaque or light-resistant packaging.
Product Details
Frequently Asked Questions
Q1 What is L-Tryptophan 98% Feed Additive?
L-Tryptophan is an essential amino acid used as a feed-grade supplement to optimize animal diets. This product contains 98% pure L-Tryptophan in crystalline or powder form, supporting protein synthesis, immune function, and stress management in livestock and poultry.
Q2 Why is L-Tryptophan supplementation important?
Tryptophan is a limiting amino acid in many plant-based feeds. Supplementation improves growth performance, reduces aggression in animals, enhances gut health, and serves as a precursor for serotonin and melatonin, promoting calm behavior and improved welfare.
Q3 Is L-Tryptophan safe for animals?
Yes, it is safe and non-toxic when used as directed. Over-supplementation may disrupt amino acid balance or cause serotonin-related effects (e.g., lethargy). Follow recommended levels strictly.
Q4 Can L-Tryptophan replace other amino acid supplements?
No—it is designed to complement lysine, methionine, and threonine. Balanced amino acid profiles are critical; never use tryptophan as a sole supplement without professional guidance.
Q5 How should L-Tryptophan be stored to ensure its shelf life?
It should be stored in a dry, well-ventilated area under normal ambient conditions. Protect it from direct sunlight, moisture, and extreme temperatures to maintain its 36-month shelf life. Avoid mixing it with strong oxidizers or alkaline substances.
Q6 Are there any feed ingredients that should not be mixed directly with L-Tryptophan?
Yes. Do not mix L-Tryptophan directly with alkaline substances (like sodium bicarbonate), strong oxidizers, or highly hygroscopic additives (like choline chloride) without a carrier, as they can degrade the amino acid or reduce its bioavailability.