Tryptophan (Feed Grade) Assay: 98.5% min; Leading Supplier for Aminos Feed in China; production ability: 1000mt/year

Tryptophan Feed Grade

White Crystalline or pale yellow crystalline powder

Index	Unit	Specification
Assay (on dry basis)		98.0-101.5
Specific Rotation	°	-29.4-32.8
PH Value		5.5-7.0
Chloride	%	≤0.03%
Iron (Fe)	ppm	≤30
Sulfate	%	≤0.03
Heavy Metals (Pb)	%	≤0.002
Loss on Drying  Residue on Ignition	%  %	≤0.3  ≤0.1

Tryptophan (Feed Grade)