L-Tryptophan feed grade

L-Tryptophan is an essential amino acid used in modern feeding concepts for pigs.

Product Specification
Product Characteristics: white or light brown powder, odour: specific
Tryptophan content min. 98.0%
Loss on drying max. 0.5%
Residue on ignition max. 0.5%
Additional testing Lead, Cadmium, Mercury and Arsenic at an external laboratory in Germany
Storage store in dry conditions in sealed or closed containers and protect from light and heat. Avoid source of combustion
Stability 2 years
Packing 10 or 20 kg bags
Remarks Feed Additive acc. to Regulation (EC) 1831/2003; Amino Acids, their salts and analogues

Welding is one of the largest importers of Chinese L-Tryptophan feed grade in Europe and a major exporter to the overseas markets.