QS, ISO, Fami QS
Powder
Amino Acid
C11h12n2o2
2 Years
GB/T 25735-2010
Amino Acid Additives
Meihua, Fufeng
10kg Bag
Tryptophan Feed Grade
China
293399
Product Description
L-Tryptophan
L-Tryptophan is an essential amino acid for young animal's growth. It is effective when used for increasing the feed intake, reducing stress, promote sleeping and growing, it can also reduce the quantity of high quality protein in diary ration to lower the cost of feed.



If you are interested in this product, please feel free to contact me. I hope we have the opportunity to cooperate in the future. We will ensure to provide you with the best and stable quality, fast delivery and professional service.
L-Tryptophan is an essential amino acid for young animal's growth. It is effective when used for increasing the feed intake, reducing stress, promote sleeping and growing, it can also reduce the quantity of high quality protein in diary ration to lower the cost of feed.

L-Tryptophan(Feed Grade)
Appearance:white or light brown powder
Formula:C11H12N2O2
Molecular weight:204.23
Dosage:Mix in animal feed
0.5-1% per ton for swine feed
0.1-1% per ton for poultry feed
Packaging:10kg paper bag
Storage:Stored in cool and dry place
Shelf life:2 years from the production date
Appearance:white or light brown powder
Formula:C11H12N2O2
Molecular weight:204.23
Dosage:Mix in animal feed
0.5-1% per ton for swine feed
0.1-1% per ton for poultry feed
Packaging:10kg paper bag
Storage:Stored in cool and dry place
Shelf life:2 years from the production date
Item | Specification |
Description | White or light yellow crystal or powder |
Assay(C11H12N2O2) (Dry Basis)/% | ≥ 98.0 |
Loss on Drying/% | ≤ 0.5 |
Crude ash/% | ≤0.5 |
Specific rotation (a)Dt | -29.0° ~ -32.8° |
PH(1% Aqueous Solution) | 5.0 - 7.0 |
Arsenic/(mg/kg) | ≤ 2 |
Pb/(mg/kg) | ≤ 5 |
Cd/(mg/kg) | ≤ 2 |
Hg/(mg/kg) | ≤ 0.1 |
Salmonell(25g Sample) | Not Allowed |
Moisture | ≤ 0.5% |
Heavy metals | ≤10 ppm |
Arsenic(As2SO3) | ≤ 1.0 ppm |
Ignited Residue | ≤ 0.5% |



If you are interested in this product, please feel free to contact me. I hope we have the opportunity to cooperate in the future. We will ensure to provide you with the best and stable quality, fast delivery and professional service.