Company Details
  • Suzhou Vitajoy Biotech Co.,Ltd

  •  [Jiangsu,China]
  • Business Type:Agent , Distributor/Wholesaler , Manufacturer , Trade Company
  • Main Markets: Americas , East Europe , Europe , Middle East , North Europe , Worldwide
  • Exporter:91% - 100%
  • Certs:ISO9001, ISO9002, SSA
  • Description:High Quality Quercetin Powder,Herbal Extract Sophora Japonica Extract,Best Seller Quercetin Powder
Suzhou Vitajoy Biotech Co.,Ltd High Quality Quercetin Powder,Herbal Extract Sophora Japonica Extract,Best Seller Quercetin Powder
Home > Products > Herbal Extract > Herbal extract > 95% Quercetin powder

95% Quercetin powder

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    Payment Type: L/C,T/T,Credit
    Incoterm: FOB,CFR,CIF
    Min. Order: 25 Kilogram
    Delivery Time: 5 Days

Additional Info

Packaging: 25kgs/paper drum

Productivity: 100,000 kgs per month

Transportation: Ocean,Air

Place of Origin: China

Product Description

Product Name: 95% Quercetin Powder

Basic Information:

Product Name: Quercetin
Latin Name: Sophora japonica
Orgin: the buds of sophora japonica L.
Active Ingredients: Rutin
Appearance: Light yellow crystalline powder
Specification: 95%,98% Rutin by HPLC
Extract Method: Grain alcohol
Testing Method: HPLC
Molecular Formula: C17H30O16
Molecular Weight: 610.51
Melting Point: 176-1780
Synonyms: Rutoside, quercetin-3-rutinoside and sophorin



Quercetin is a flavanoid obtained by extraction from the vegetable raw material, scphora japonica. Rutin is practically insoluble in water while soluble in methanol and ethanol, is a supplement used to treat poor blood circulation, hemorrhoids, and Meniere's disease. Quercetin is a flavonoid widely distributed in nature. The name has been used since 1857, and is derived from quercetum (oak forest), after Quercus. It is a naturally occurring polar auxin transport inhibitor.

Quercetin itself (aglycone quercetin), as opposed to quercetin glycosides, is not a normal dietary component. In a bioavailability study in rats, radiolabelled quercetin-4'-glucoside was converted to phenolic acids as it passed through the gastrointestinal tract, producing compounds not monitored in previous animal studies of aglycone quercetin. All but 4% was recovered within 72 hours (69% in urine), indicating low retention and high excretion, a characteristic of ingested polyphenols. Quercetin may also induce insulin secretion by activation of L-type calcium channels in the pancreatic β-cells. Quercetin has not been confirmed scientifically as a specific therapeutic for any condition nor approved by any regulatory agency. The U.S. Food and Drug Administration has not approved any health claims for quercetin.
It can enhance the absorption of Vitamin C, helps relieve pain, bumps and bruises, has an antibacterial effect, promotes circulation, stimulates bile production, helps lower blood cholesterol, and prevents cataracts.


1.In pharmaceutical field, sopohore japonica extract quercetin powder used as raw materials;
2.In food field, soponica japonica extract powder used as natural dyestuff and antioxidant;
3.In cosmetic field, soponica japonica extract quercetin powder used as raw materials to antioxidant.

Company Information:

Vitajoy, a leading supplier of Herbal Extracts, Amino Acids and Nutritional Supplements, starts our business in China and branch out business with eight overseas offices around the world. Vitajoy is strengthening the extent and scope of our sourcing ability, not only in China, but also in other regions. Vitajoy is building a global sourcing network to constantly provide exciting new health care raw materials, finished products, speciality chemicals and innovative ideas to our customers.

Looking for ideal High Quality Quercetin Powder Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Herbal Extract Sophora Japonica Extract are quality guaranteed. We are China Origin Factory of Best Seller Quercetin Powder. If you have any question, please feel free to contact us.

Product Categories : Herbal Extract > Herbal extract

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