Quercetin
    Quercetin
    Source: Dry flower buds from Sophora japonica L., prepared from enzymatic hydrolysis of Rutin.
    Active Ingredient: Quercetin
    CAS NO：117-39-5 
    Molecular Formula：C15H14O9
    Appearance: Yellow powder
    Solubility: Slightly soluble in water. Freely soluble in methanol, alkaline solution, and glacial acetic acid.
    Features: Enzymatic hydrolysis processing with no methanol used in manufacturing. The product is healthy and eco-friendly.
    Specifications：
     
    Item
       Results
    Methods
    Assay，%
     
    ≥
    98
    95
    UV          method HPLC     method
    Loss on drying%
    ≤
    12
    KF
    As，  mg/kg
    ≤
    2.0
    GB/T5009. 11
    Pb，  mg/kg
    ≤
    3.0
    GB5009. 12

    Scope of application
    Zhongtian quercetin is produced by enzymatic hydrolysis process and is environmentally friendly.
    Quercetin is mainly used in medicine and health food fields.

    
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