Item Specification
Product Name L-Tryptophan Feed Grade
Assay/% ≥98.5
Specific Rotation -26.7°
Loss on Drying/% ≤1.00
Residue on Ignition/% ≤0.30
Heavy Metal(Pb)/%（mg/kg） ≤20
Arsenic (As)/%（mg/kg） ≤2
L-Threonine
L-Tryptophan | ≥98.0% | White to light yellow crystalline powder | Feed Grade | 10–25kg/bag
Description
