Quercetin Antitumor

Quercetin Antitumor

● Model Number: 100% Nature
● Specification: 95%
● Test Method: HPLC
● Color: Yellow
● Appearance: Fine Powder



quercetin product

Quercetin is the aglycone of naringin, which belongs to dihydroflavonoids. Quercetin has the functions of anti-bacterial, anti-inflammatory, free radical scavenging, anti-oxidation, anti-tumor, platelet coagulation inhibition and anti-atherosclerosis. Studies have shown that quercetin can inhibit the metastasis of gastric cancer, colon cancer and lung cancer.

Quercetin is a flavonoid widely distributed in nature. It has many biological activities, such as antioxidant, scavenging oxygen free radicals, lowering blood pressure, expanding coronary vessels, anti-inflammatory, anti-tumor and anti-platelet aggregation. At present, it has been widely concerned by scholars at home and abroad, especially its anti-tumor and antioxidant effects. In recent years, it has been found that quercetin can inhibit the division and proliferation of many kinds of cancer cells (melanoma, lung cancer, etc.), promote their apoptosis through a variety of ways, and inhibit the migration and invasion of cancer cells.


Quercetin, as a widespread flavonoid compound, has small molecular weight, simple structure, easy to synthesize, low toxicity and high efficiency. It is in line with the current development of high-efficiency, low toxicity and anti-cancer drugs.


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

2.Quercetin is a powerful antioxidant.

3.Quercetin is a naturally-occurring polar auxin transport inhibitor.

4.Quercetin is also a natural anti-histamine, and anti-inflammatory.


Quick Details

Synonym(s):2-(3,4-dihydroxyphenyl)- 3,5,7-trihydroxy-4H-chromen-4-one

Specification: 95%

Test method: By HPLC

Molecular Formula:C15H10O

Molecular Weight: 302.23

CAS Registry Number: 117-39-5

  Supply Ability  

Supply Ability:

20 Ton/Tons per   Month

  Packaging & Delivery  

Packaging   Details







Lead Time

Quercetin Powder Bulk & Private Label Packaging for your options:

* 1~5 kg in a   Al-Foil Bag w/ Zip lock Bag inside

* 5~20 kg in a   Paper Carton

* 25kg in a   Paper Drum w/ Double Plastic Bags inside


3 days after   payment


Quercetin 95%


Dihydrate is yellow acicular crystal (dilute ethanol). It becomes anhydrous at 95-97 degree C and melting point 314 degree C (decomposition). Soluble in cold ethanol (1:290), soluble in hot ethanol (1:23), soluble in methanol, ethyl acetate, glacial acetic acid, pyridine, acetone, etc., insoluble in water, benzene, ether, chloroform, petroleum ether, etc., alkaline aqueous solution is yellow, almost insoluble in water, ethanol solution tastes bitter.

  Antioxidant activity  

Quercetin is a 5-hydroxyflavone with double bonds between 2 and 3 sites and 2 hydroxyl groups at 37 and 47 sites. Quercetin can be used as a free group acceptor in the process of metal chelation or oxidation of oils and fats. It can also be used as an antioxidant of oils and ascorbic acid.

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