L-Tryptophan Feed Grade 98%

【Product chemical name】L-TRYPTOPHAN FEED GRADE 98%

【Feature】White or slightly yellow crystalline powder with slight odor

【Chemical formula】C11H12N2O2

Relative molecular weights】204.23

【Quality standard 】

Content(dry basis),%98.0
Crude ash,%≤0.5
Loss on drying,%≤0.5
Specific rotation,[α]Dt-29.0°~-32.8°




Salmonella(25g in sample)


pH(aqueous solution 1%)


Features of the product】

L-Tryptophan is a necessary amino acid for the growth of young animals and it is the main amino acids used in feed after lysine, methionine and threonine. Adding tryptophan can improve the utilization efficiency of amino acids, increase feed intake, promote growth and enhance immunity. Stress reaction of piglets after weaning can be relieved and breeding efficiency can be improved with tryptophan, which has been widely used in feeds.


【Shelf-life】24 months

【Storage and transport】 Stored in cool, dry, airy and pollution-free in-door place. Prevent from rain and sunshine. Keep away from poisonous, harmful and mordant materials during transportation and storage. Piled up the products in proper height and keep at least 10 cm distances between the products and floor and wall. In the process of transportation, avoid rain and sun, with no toxic, hazardous, corrosive substances mixed.