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        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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