Raw Materials Quercetin Powder

CAS:117-39-5

MF:C15H10O7

MW:302.24

EINECS:204-187-1

Specification​: 99% min Quercetin Powder

Sample:Quercetin Powder

Packaging:1kg/bag, 25kg/drum

Brand: Henrikang

Appearance:Yellow brown

Storage: Cool Dry Place

Shelf Life: 2 Years

Test Method: HPLC

Quercetin Usage and Synthesis.

Quercetin is a commonly used expectorant in Chinese medicine clinics in China, this product has a good expectorant, cough effect, but also has a certain asthma effect, and has the pharmacological functions of lowering blood pressure, improving capillary resistance, reducing capillary fragility, lowering blood lipids, dilating coronary arteries, increasing coronary blood flow.

Clinical quercetin is mainly used for bronchitis and phlegm inflammation. It also has an auxiliary therapeutic effect on patients with coronary heart disease and hypertension.

With this product can have dry mouth, dizziness and burning sensation in the stomach area, which can disappear after stopping the drug.

Uses of Quercetin.

A flavonoid with anticancer activity, an inhibitor of mitochondrial ATPase and phosphodiesterase, inhibits PI3 kinase activity and slightly inhibits PIP kinase activity, IC50:3.8 μM.

Antiproliferative effect on cancer cell lines, reduces cancer cell growth via type II estrogen receptor and blocks human leukaemia T cells in the late G1 phase of the cell cycle. Inhibits fatty acid synthase activity.

It has a good expectorant, cough, asthma, used in the treatment of chronic bronchitis, coronary heart disease and hypertension patients also has an auxiliary therapeutic effect.

Pharmacological Effect of Quercetin.

Quercetin significantly inhibits the action of pro-cancer agents, inhibits the growth of isolated malignant cells, and inhibits DNA, RNA and protein synthesis in Ehrlich ascites carcinoma cells.

Quercetin has inhibitory effects on platelet aggregation and 5-hydroxytryptamine (5-HT) release, and has significant inhibitory effects on platelet aggregation induced by ADP, thrombin and platelet-activating factor (PAF), with the strongest inhibitory effect on PAF, and also significantly inhibits thrombin-induced 3H-5-HT release from rabbit platelets.

Product method of  Bulk Quercetin Powder.

The bark of the oak (Quercus) plant of the beech family is ground to a powder, washed with hot saline, extracted with dilute ammonia and then neutralised with dilute sulphuric acid.

It is obtained by boiling the filtrate and precipitating crystals.

It can be extracted from lily plant onion (Alliumcepa) etc. with 95% ethanol; it can also be obtained from rutin (rutin) extract and quercetin, isoquercetin, anisatin, chrysin, quercetin xanthin, rhamnetin etc. hydrolysed by rutinolytic enzyme or acidic aqueous solution.