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98% Pure Quercetin Powder Supplement

English name: Sophora Japonica Extract( Quercetin)
CAS No.: 117-39-5
Molecular Formula: C15H10O7
Molecular Weight: 302.23
Active ingredients : Quercetin
Specification: 98% by HPLC
Used Part: Sophora Flower Bud
Appearance: Yellow green fine powder
Test Method:HPLC
  • GHB

Product Description

quercetin Powder1

98% Pure Quercetin Powder Supplement


√ Anti-tussive


 Treatment of chronic bronchitis

√ Prevent cardiovascular disease

 Decreasing blood pressure and blood fat

Quercetin is a type of plant-based chemical, or phytochemical, known as a flavonoid (see also Phytochemicals). Good sources include apples, onions, teas, red wines, and many other foods. Quercetin is also available as a dietary supplement. Quercetin appears to have anti-inflammatory and antioxidant properties. It has been promoted as being effective against a wide variety of diseases, including cancer. While some early lab results appear promising, as of yet there is no reliable clinical evidence that quercetin can prevent or treat cancer in humans.


1.Quercetin may expel phlegm and arrest coughing, it can also be used as anti-asthmatic.

2. Quercetin has anticancer activity, inhibits PI3-kinase activity and slightly inhibits PIP Kinase activity, reducescancer cell growth via type II estrogen receptors.

3.Quercetin may inhibit histamine release from basophils and mast cells.

4. Quercetin may control the spread of certain viruses within the body. 5, Quercetin may help reduce tissue destruction.

5. Quercetin may also be beneficial in the treatment of dysentery, gout, and psoriasis 


1. As Healthy Products ingredients.
2. As Nutrition Supplements ingredients.
3.As Pharmaceutical Industry & General Drugs ingredients.


Hot Product

Packing & Delivery
After the production and test are finished, the powder would be well packed and stored in our warehouse.
  • packing
    1. 1kg-10kg packing: 2 P.E. bag inside + 1 foil bag outside
    2. 15kg packing: 2 P.E. bag inside + 1 foil bag outside in carton
    3. 25kg-50kg packing: 2 P.E. bag inside + 1 foil bag outside in drum

  • delivery
    1.1kg-50kg,  Internation Express, Fast and convenient, Door To Door   
    Air TransportationFast and cheap, To Air Port  
    3..>500kg, Sea
      Transportation, Cheap and convenient, To Port
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  • 3. Order & Payment
  • 4. Packaging&Shipping
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