Multiple Colour L-cysteine, E920 (Cas No.52-90-4)

L-Cysteine, E920, CAS No.52-90-4, a non-essential amino acid manufactured through fermentation. Cysteine is extracted from raw materials of animal and human origins. Cysteine has the same structure as serine, but with one of its oxygen atoms replaced by sulfur.

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Benefit : MSDS, Halal, Kosher, Gluten free

Appearance : White crystal or crystalline powder; tasteless
Assay, % : 98.5~101.0
Specific rotation : -218A ~ -224A
Loss on drying, % : a 0.2
Transmittance, % : a Y98.0
Chloride (as Cl), % : a 0.02
Sulfate (as SO4), % : a 0.02
Ammonium as (as NH4), % : a 0.02
Iron (as Fe), % : a 0.001
Heavy Metals (as Pb), % : a 0.001
Arsenic (as As), % : a 0.0001
pH Value : 5.0~6.5
Residue on ignition, % : a 0.1
Other amino acid : Conforms