Basic Info. 

Tryptophan, n-indolealanine, white or yellowish crystalline or crystalline powder;No smell, slightly bitter taste.Slightly soluble in water, extremely slightly soluble in ethanol, insoluble in chloroform, easily soluble in formic acid, dissolved in sodium hydroxide test solution or dilute hydrochloric acid.Tryptophan is an important precursor of auxin biosynthesis in plants.

Fucntion: 
 

1. L-Tryptophan is an important nutrient.

2. L-Tryptophan takes part in the renewal of animal blood plasma protein in the body

3. L-Tryptophan helps nicotinic acid and the synthesis of hemoglobin. It can significantly increase antibody in pregnant animals baby.

4. L-Tryptophan can promote lactation of cows and sows.

5. L-Tryptophan is used as control agent of pellagra.

Package:

1kg per Foil Bag, 10 Bags per carton. 25 kg per Drum. Or Customized Package.

2. Shipping Advise: 

1. By Express

------Suitable for under 50kg, Fast:3-4 days. High cost; Door to door service. Easy to pick up the goods.

2. By Air 

------Suitable for more than 50 kg, Fast:4-5 days, High cost, airport to airport. professional broker needed.

3. By sea

------Suitable for more than 500kg. Slow: 15-45 days, Low cost. Port to Port, professional broker needed.