DL-Tryptophan
DL-Trp
3-Indol-3-ylalanine
DL-3β-Indolylalanine
H-Trp-OH
α-Aminoindole-3-propionic acid
(RS)-Tryptophan
Trp
UNII:X9U7434L7A
2-amino-3-(1H-indol-3-yl)propanoic acid
Indole-3-alanine
Propionic acid, 2-amino-3-indol-3-yl-

DL-Tryptophan is a non-essential amino acid that plays a crucial role in protein synthesis and is an essential component of the human diet. It is widely used in the food, pharmaceutical, and animal feed industries.
Chemical Properties
DL-Tryptophan is an aromatic amino acid with the chemical formula C11H12N2O2. It is a white, crystalline powder with a slightly bitter taste and a characteristic odor. DL-Tryptophan is soluble in water, slightly soluble in ethanol, and insoluble in ether.
Food Applications
DL-Tryptophan is widely used as a food additive due to its functional and nutritional properties. It is commonly used as a flavor enhancer in savory and sweet foods, as well as in nutritional supplements. DL-Tryptophan is also used in the production of fermented foods, such as cheese and yogurt, as it serves as a precursor to the neurotransmitter serotonin, which can aid in the fermentation process.
Pharmaceutical Applications
DL-Tryptophan has several important roles in the pharmaceutical industry. It is used as a precursor in the synthesis of the sleep-inducing hormone melatonin, which can aid in the treatment of insomnia. DL-Tryptophan is also used in the treatment of depression and anxiety, as it is a precursor to the neurotransmitter serotonin, which can help regulate mood.
Animal Feed Applications
DL-Tryptophan is an important ingredient in animal feed formulations, particularly for swine and poultry. It is added to animal feed to promote growth, improve feed conversion efficiency, and enhance the overall health of animals.
Manufacturing and Supply
DL-Tryptophan is produced through microbial fermentation and can be manufactured by several chemical companies. It is supplied as a white crystalline powder and can be packaged in various sizes to meet customer needs.
Conclusion
DL-Tryptophan is a versatile amino acid that plays a crucial role in protein synthesis and has various applications in the food, pharmaceutical, and animal feed industries. As a trusted supplier of high-quality DL-Tryptophan, we are committed to meeting the diverse needs of our customers and providing them with safe and reliable products.