USD $100.00-150.00 / Metric Ton
it conforms to usp/aji/ep.
specification:
it conforms to aji/usp/ep
specific rotation: -30.5º~-32.5º
transmittance :≥95.0﹪
chloride: ≤0.020﹪
ammonium :≤0.02﹪
iron:≤20ppm
sulfate: ≤0.020﹪
heavy metals: ≤10ppm
arsenic: ≤1ppm
loss on drying: ≤0. 20﹪
residue on ignition: ≤0. 10﹪
assay :99.0﹪~101.0﹪
ph: 5.5~6.4
application:
l-tryptophan's is used to alleviate depression, support alcohol withdrawal and to aid weight loss. it plays an important role in our diets, and aging individuals are often in need of it as a supplement.