L-Tryptophan

Functions and Efficacy:(1). Meliorate the balance of amino acid for metabolism and supplement the insufficiency ofL-tryptophan the feed stuff to promote the growth of livestock.(2). Improve the meat quality of poultry and livestock.(3). Reduce the possibility of diarrhea and help to digest.(4). Enhance the body's immune ability, effective to avoid infectious disease. Quality Standard: Appearance: Yellowish to white crystalline powder Main content: 98.5% min Loss on drying: 0.5% max Residue on ignition: 0.5% max Optical rotation: -29.5 -33.0° Heavy metal: 20 mg/kg max Arsentic content: 2 mg/kg max Package:10 Kg per fiber drum or per bagStorage: Store in a dry, cool and off-light place and avoid direct sunlight and rain.Shelf Life: 24 months