L-Cysteine

L-Cysteine is a conditionally essential amino acid. L-Cysteine is known as an infant amino acid because it can be produced by the human body, by infants it just can be produced in the necessary quantity. For that reason it must be acquired through diet. Pharmaceutical uses include improvement of hepatic function and pigmentation.

 

Description

Product specifications

  • Appearance: White Crystals or Crystalline Powder
  • Country of Origin: China
  • Assay: > 98,0%
  • State of Solution: > 95,0%
  • Specific Rotation: + 8,3° –  + 9,5°
  • Residue on Ignition: < 0,10%
  • Loss on Drying: < 0,5%
  • pH: 4,5 – 5,5

Chemical Composition Analysis

  • Chloride: < 0,04%
  • Sulphate: < 0,03%
  • Ammonium: < 0,02%
  • Heavy Metals: < 10 ppm
  • Arsenic (As): <   1 ppm
  • Iron (Fe): < 10 ppm
  • Lead (Pb): <   2 ppm
  • Cadmium (Cd): <   1 ppm
  • Mercury (Hg): < 0,1ppm
  • Total Plate Count: < 1000 CFU per gr
  • Yeast and Moulds: <   100 CFU per gr
  • E. Coli: Negative
  • Salmonella: Negative
  • Staphylococcus Aureus: Negative

Packaging specifications

  • Packaging: Cardboard drum containing double plastic bags and one aluminium foil bag. Well-closed away from moisture.
  • Net weight per drum: 25 kg
  • Storage: Store in a cool & dry area, keep away from the direct light and heat.
  • Shelf Life: Two years under well storage situation and stored away from direct sun light.

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