DL-tryptophan
Transportation Points Temperature Control During transportation, avoid extreme temperature fluctuations. Use insulated packaging or refrigerated transport (if shipping over long distances or in hot climates) to maintain temperatures within 2–25°C (36–77°F). In cold climates, prevent freezing, as repeated freeze-thaw cycles can cause moisture condensation and clumping. Protection from Physical Damage Package DL-tryptophan in sturdy containers (e.g., cardboard boxes with foam padding) to prevent crushing or puncturing during handling. For bulk shipments, use palletized containers secured with straps to avoid shifting. Ensure that packages are waterproof (e.g., wrapped in plastic sheeting) to protect against rain, snow, or water exposure during transit. Avoidance of Contamination Keep transport vehicles clean and free from residues of chemicals, pests, or other contaminants that could taint the product. Do not co-transport with strong-smelling substances, as DL-tryptophan may absorb odors, affecting its quality (especially for applications in animal feed or pharmaceuticals). Documentation and Compliance Include shipping documents that specify handling instructions (e.g., "keep cool," "protect from light") to guide logistics personnel. Comply with local regulations for transporting amino acids or food/feed additives, including labeling requirements for hazardous materials (if applicable, though DL-tryptophan is generally non-hazardous).
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