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Quercetin Powder

Quercetin Powder

Product Name:Quercetin Powder
Specification: 95% HPLC
Appearance: Yellow fine powder
Molecular Formula:C15H10O
Molecular Weight: 302.23
CAS Registry Number: 117-39-5
Certifications: ISO,KOSHER,Halal,Organic;
Packing :25kgs/drum or 1kg/bag;
Stock in LA USA warehouse;

What is Quercetin Powder?

Quercetin powder, also called quercetin, is a bioflavonoid and a natural pigment found in all herbs, fruits and vegetables. Flavonoids have anti-inflammatory and antioxidant protective effects in the body, and quercetin is currently one of the most powerful and effective herbal anti-inflammatory and antioxidant health products. In fact, quercetin has been proven to have a preventive effect on various inflammatory and free radical damaging diseases including arthritis, allergies, macular degeneration, heart disease, gout and various cancers.

This product has good expectorant and antitussive effects, and has a certain anti-asthmatic effect. In addition, it has the effects of lowering blood pressure, enhancing capillary resistance, reducing capillary fragility, lowering blood lipids, dilating coronary arteries, and increasing coronary blood flow. Used to treat chronic bronchitis. It also has adjuvant therapy for patients with coronary heart disease and hypertension. The oral LD50 of mice is 160mg/kg.

Quercetin can significantly inhibit the effect of cancer promoters, inhibit the growth of malignant cells in vitro, and inhibit DNA, RNA and protein synthesis of Ehrlich ascites cancer cells.Quercetin can inhibit platelet aggregation and the release of 5-hydroxytryptamine (5-HT). Quercetin has a significant inhibitory effect on platelet aggregation induced by ADP, thrombin and platelet activating factor (PAF). Among them, it has the strongest inhibitory effect on PAF. Quercetin can also significantly inhibit the rabbit platelet 3H-5 induced by thrombin. -HT release.

Quercetin Resource:

1. Recovery of isoquercetin from bioflavonoids

2. Preparation method of quercetin and isoquercetin derivatives

3. Quercetin derivatives and their medical uses

4. Enzymatic hydrolysis of rutin to prepare isoquercetin and quercetin

5. A method for extracting quercetin-7-O-rhamnoside

Quercetin Powder-1

Basic Information:

Product NameNatural sophora flower bud extract quercetin powder pharmaceutical grade Sophora Japonica Extract quercetin 98%
Spe.:95% Quercetin HPLC 98%Quercetin UV
Key wordsSophora Japonica Extract quercetin
Delivery Time1-3 working days
Package25kg/Fiber Drum
Shelf Time2 years









Sulphated Ash



Loss on drying



Sieve Analysis

100% pass 80 mesh




Heavy Metals




≤2 ppm


Total Plate Count

≤10000 cfu/g


Yeast & Mold

≤100 cfu/g








Quercetin Powder benefits

Quercetin Powder Benefits:

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

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

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

4. It may control the spread of certain viruses within the body.

5. It may help reduce tissue destruction.

6. It may also be beneficial in the treatment of dysentery, gout, and psoriasis.

Quercetin Powder Application:

1. Quercetin Pharmaceutical industry: Some medicine with bromelain like throat tablet can diminish inflammation, facilitate digestion and improve immunological competence.So it can be applied in examination, treatment of gynecopathy, glaucoma and inset bitten.

2. Quercetin Food industry: It can be applied in hydrolyzing protein of plants and animals, so it can be used in the meat tenderizer,wine clarifier,stabilizer of noodle,health foods and soy sauce brewing etc. It can also improve the nutritional value.

The Best Quercetin Powder Supplier

Undersun enjoys long term relationships with our clients because we focus on customer service and providing great products. If you are interested in our products, we are flexible with the customization of orders to suit your specific need and our quick lead time on orders guarantees you’ll have great tasting our products on-time.

We also focus on value-added services. We are available for service questions and information to support your business.

Why Choose Undersun Quercetin Powder?

Undersun specialize in Quercetin for several years, we supply products with competitive price, and our product is of the highest quality and undergoes strict, independent testing to ensure that it is safe for consumption around the world.

Where to buy Quercetin Powder?

Just send email to, or submit your requirement in bottom form, we are of service at any time!

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