Top Quality L-Tryptophan for Food Additives CAS NO.73-22-3

Xi'an ZB Biotech Co., Ltd is specialized in researching, producing and selling herbal extract and API powder, which are mainly used in nutraceutical, cosmetic, beverage and food additives etc.

Owing plant base, extracting and purifying in GMP workshop, concentrating on the quality and cost each link. That XAZB Biotech is aiming of benefiting the world with lowest price but best products.

We are keeping overcritical on the quality and persisting in the profession all the time. XAZB owns two standardized production workshops, advanced multifunction extractors and juice concentrate equipment, covering 12,000m2. annual dried material processed 950MT, monthly production ability 60MT. 32 scientists are in R&D team. We have strict QC standards and perfect quality guarantee system, GMP certified, also FDA, ISO9001 and Halal certified. 

We also build an integrative marketing center in Xi'an city, China, involving in research, test, sale and service. With full qualification and exporting experience, our products are widely sold to more than 40 countries from Europe, America, Southeast Asia, Oceania and so on

L-tryptophan is a neutral aromatic amino acid containing indolyl, white or slightly yellow leaf-like crystals or powder, solubility in water 1.14g (25 ° C), soluble in dilute acid or dilute alkali, in alkali It is stable in liquid and decomposed in strong acid. Slightly soluble in ethanol, insoluble in chloroform and ether.

1. Amino acid drugs. For amino acid infusion. Often used in combination with iron, vitamins, etc., combined with VB6 to improve depression and prevent rough skin disease; as an insomnia sedative and L-dopa for the treatment of Parkinson's disease. It is carcinogenic to experimental animals; it has adverse reactions such as nausea, anorexia, and sleepiness. Do not use in combination with monoamine oxidase inhibitors.
2. Nutritional supplements. Tryptophan contained in egg white protein, fish, corn flour, etc. is a limiting amino acid, and the content in grains such as rice is relatively small. It can be combined with lysine, methionine and threonine to strengthen amino acids. Adding 0.02% tryptophan and 0.1% lysine to corn products can significantly increase protein titer. An important component of amino acid infusion and comprehensive amino acid preparations. It can treat niacin deficiency.
3. Used in biochemical research, and used as a sedative in medicine.
4. L-Tryptophan can improve nutrition and enhance physical fitness, and can be used for nutritional and biochemical research and preparation of tissue culture medium.