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  5. 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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