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Product Name: Quercetin
Herb Source: Huai Rice
Part used: Flowers
Specifications: Quercetin 95%,98%.
Appearance: Light yellow needle crystall
Test Methord: HPLC
CAS NO.: 6151-25-3

Product Name: Quercetin

Herb Source: Huai Rice

Part used: Flowers

Specifications: Quercetin 95%,98%.

Appearance: Light yellow needle crystall

Test Methord: HPLC

CAS NO.:  6151-25-3

Molecular Formula: C15H10O7

Molecular Weight: 302.23

[Melting point and solubility] Resolving point:

314℃. Very slightly soluble in diethyl ether, not soluble in cold water, difficultly soluble in hot water. Solution is yellow when soluble in acetic acid and alkaline solution.


Quercetin is pentahydroxyflavone achieved from rutin which is hydrolyzed by dilute sulphuric acid.

This product has functions of eliminating phlegm, relieving cough and a certain degree of relieving asthma. Meanwhile, it can   reduce blood pressure, strengthen capillaries, decrease capillary fragility, reduce blood lipid, dilate coronary artery, increase blood flow of coronary artery etc. It is used for the treatment of chronic bronchitis, and the adjuvant therapy of coronary heart disease and hypertension.


1. Expectorant, cough, asthma, for the treatment of chronic bronchitis,adjuvant     therapyin patients with coronary heart disease and high blood pressure;

2. Antihypertensive, lipid-lowering;Anti cancer;

3: Reducing allergy symptoms including runny nose, tearing, hives, swelling of the face and lips;

4: A strong antioxidant, mainly used in petroleum, beverages, cold drinks, meat products processing;

5. Enhancing the resistance of the capillaries and reducing fragility of capillary;

6. Expanding coronary arteries and increasing coronary blood flow and so on:

7. Treatment of prostate cancer.

8. Anti-tumor effect on platelet aggregation.


1, prevention of prostatitis 1000mg / day;

2: prevention of high blood pressure 730mg / day, 2 times taking;

3.Preventing exercise-induced respiratory infections, 500 mg / time, twice a day;


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, reduces cancer 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.

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




1. 1-5kg with double plastic container inside/aluminum foil bag outside. 10kg with double plastic container inside/carton outside. 25kg with double plastic container inside/fiber drum outside or it is at your option.

2. Stored in a cool & dry well-closed container, keep away from moisture and strong light/heat.

3. Shelf Life:Two years under well storage situation.




Our Advantages:

1. The high quality & rich natural resources; the advantages of traditional Chinese herbal medicine;Many related research institutions and colleges in Xi’an.

2. Complete detection system with full set of advanced detective devices;Rich technology and human resource.

3. Excellent Teamwork Spirit.

4. Enterprise Culture: Rigorous, Honest, Pragmatic,Cooperate,Creativity!

5.  Plant extraction manufactory with factory covers an area of 35000 square maters.

6.  Meet your special kinds of specification demands of product specification and demands on capsules, softgels, tablets and powder blendings.

7.  The perfect mechanism of pre-salef ,sales an after-sales services to guarantee our cooperation going smoothly, continuously and permanent!

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