Quercetin Powder

Introduction Of Quercetin

Quercetin, also known as oak extract, is a widely distributed in the plant world, with a variety of biological activities of flavonol compounds, the chemical formula is C15H10O7. 

And it is an important flavonoid component of more than one hundred kinds of Chinese herbs such as safflower, ginseng, astragalus, ginkgo biloba, rosmarinus officinalis, panax ginseng, acacia rice and so on.

Function Of Quercetin

1.Antioxidant

Quercetin is a stronger antioxidant in nature, and its antioxidant capacity is 50 times that of vitamin E and 20 times that of vitamin C. It has been shown that quercetin has a strong antioxidant effect on the body. Research shows that quercetin has good scavenging effect on superoxide anion, hydroxyl radical and single-line oxygen, and there is an obvious dose-effect relationship.

2.Anti-inflammatory effect

Quercetin can reduce the release of inflammatory mediators by regulating NF-κB, inhibiting the generation and gene expression of TNF-α and the expression of inflammatory mediator genes. The antioxidant effect of quercetin also helps to reduce the inflammatory response.

3. Protect cardiovascular system

Quercetin can inhibit the release of endothelin and reduce vascular tension, thus lowering blood pressure. Reduce the incidence of myocardial infarction and mortality, lowering the function of blood sugar; inhibit angiotensin Ⅱ caused by the increase in the total protein content of cardiomyocytes, can significantly improve SOD activity, reduce the content of MDA, the cardiomyocyte hypertrophy has an obvious prevention and treatment effect. Inhibit the proliferation and hypertrophy of vascular smooth muscle cells; anti-thrombosis.

4.Quercetin and respiratory diseases

Quercetin has a good expectorant, cough, and has a certain asthma effect, long-term used in the treatment of chronic bronchitis. Quercetin's effect on respiratory health is realized through a variety of pathways such as mucus secretion, antiviral, antifibrotic and anti-inflammatory. It also has a wide range of anti-fibrotic effects, including anti-hepatic, pulmonary, cardiac and renal fibrosis, and its mechanism of action is more complex, mainly including inhibiting the proliferation of fibroblasts, inhibiting collagen synthesis, preventing oxidative damage, and inhibiting angiogenesis.