Basic Info
  • Grade: pharmaceutical grade,food grade

    Factory Location: Pingyu,Henan,China

    Main Sales Markets: North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia

  • Packaging Information: 25kg/Drum

  • Sample Provided: yes

    Payment Terms: T/T

    Name: Quercetin
    CAS#: 6151-25-3
    Botanical Source: Sophora Japonica
    Specification: HPLC 95%, HPLC 98%, Dihydrate, Anhydrous, Powder or Granule
    Function & Application: Quercetin has good expectorant and antitussive effects, it also reduces the blood pressure, enhances capillary immunity, reduces capillary fragility, lowers blood lipids, expands coronary arteries, and increases coronary blood flow. 

    TEST ITEM STANDARD RESULT
    Appearance Yellow powder Complies (Visual)
    Melting point 305-315℃ Complies(Melting point apparatus)
    Identification Must Positive Complies
    Solubility    
     - in water Soluble slightly Complies
     - in methanol Soluble freely Complies
     - in alkaline solutions Soluble freely Complies
     - in acetic glacial acid Soluble freely Complies
    Loss on drying 9.0%---12.0% Complies
    Residue on ignition ≤0.5% Complies
    Mesh size 100% pass 100 mesh Complies
    Assay ≥95% 96.5%/99.2% (HPLC/UV)
    HEAVY METAL STANDARD RESULT(ICP-MS)
    Lead ≤3ppm Complies
    Cadmium ≤1ppm Complies
    Hg ≤0.1ppm Complies
    Arsenic ≤1ppm Complies
    MICROBIOLOGICAL TEST STANDARD RESULT
    Total microbial count ≤1000cfu/g Complies
    Yeast & mold ≤100cfu/g Complies
    E.Coli Negative Negative
    Salmonella Negative Negative

    For more info welcome to contact  victoria@yimeikangherb.com

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