Home > Amino Acid > L-Cysteine

Product Description

CAS No. : 52-90-4
Chemical Formula : C3H7NO2S
H.S.code : 293090
E No. : E920

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. It is mainly obtained from human hair, or from feathers, pigs bristles and hooves. L-cysteine is also manufactured by the electrolytic reduction method using l-cystine as the starting materials. available as white crystalline powder used as safe nutrition supplements. As a professional supplier of L-Cysteine powder, we supply L-Cysteine feed/food grade/pharma grade. The primary role of L-cysteine is in the production of important antioxidants such as glutathione. L-cysteine serves as precursors for synthesis of proteins, glutathione, taurine and coenzyme A. Pharmaceutical uses include improvement of hepatic function and pigmentation. The acetyl, ethyl ester and carboxymethyl derivatives are used in agents for dissolving air passage mucosa (expectorant).

Inquiry Now
  • Specification
  • L-Cysteine Specification

    Item Specifications (AJI97 )
    Appearance White crystal or crystalline powder; tasteless
    Assay, % 98.5~101.0
    Specific rotation -218°~ -224°
    Loss on drying, % ≤0.2
    Transmittance, % ≥98.0
    Chloride (as Cl), % ≤0.02
    Sulfate (as SO4), % ≤0.02
    Ammonium as (as NH4), % ≤0.02
    Iron (as Fe), %  ≤0.001
    Heavy Metals (as Pb), %  ≤0.001
    Arsenic (as As), %   ≤0.0001
    pH Value    5.0~6.5
    Residue on ignition, % ≤0.1
    Other amino acid   Conforms
  • Market and Price
  • As a professional supplier of L-Cysteine powder, we supply L-Cysteine feed/food grade/pharma grade.

    Price trend of L-Cysteine

    Raw Materials price: Prices of raw material animal hair are stable.
    Market demand and supply : demand and supply is stable. Production capacity of the L-Cystine manufacturers didn’t change much.
    Market Forecast: Considering the current market trend, price of L-Cystine will be stable in the coming months.

  • Benefit
  • MSDS, Halal, Kosher, Gluten free
  • L-Cysteine gluten free

    L-Cystine is gluten free and widely used in gluten free food used as a amino acid dietary supplement in pizza dough, calzones, pie crusts, bread sticks and tortillas

    Halal Certified L-Cysteine

    L-Cystine is an amino acid manufactured through fermentation. As a synthesized chemical, this amino acid is general recognized as halal.

    Kosher Certified L-Cysetine

    L-Cystine is general recognized as Kosher classified as Parve.

    L-Cysteine MSDS

  • Side Effect
  • Side Effect of L-Cysteine

    The most common side effects of L-Cystine supplementation include upset stomach, nausea, vomiting, diarrhea, persistent stomach cramps, body aches, headache, and general gastrointestinal discomfort.

  • Application and Uses
  • Application and Uses of L-Cysteine

    L-Cystine is used in Food, Beverage, Pharmaceutical, Health & Personal care products, Agriculture/Animal Feed/Poultry. L-Cystine is a amino acid used as a nutritional additive, flavor modifier, dough strengthening agent, and yeast fermentation agent.

    Related Products