Quercetin is a natural flavonoid from plants.It mainly exists in the flower buds(Sophora japonica)and fruits(Sophora japonica).Quercetin has many biological functions,such as anti-oxidation,anti-inflammatory,anti-tumor,anti microbial and so on.

1, Effect of Quercetin

1.Antioxidant function

2.Anticancer effect

3.Cardiovascular protection

4.Anti inflammatory effect

5.Antibacterial action

6.Antiviral effect

Quercetin can fight many viruses.

2, Application fields of Quercetin

1.Pharmaceutical industry:it has good expectorant,antitussive and antiasthmatic effects.It is used for the treatment of chronic bronchitis.It also plays an auxiliary role in the treatment of patients with coronary heart disease and hypertension.

2.Health products industry:anti-inflammatory,anti-virus,anti-oxidation,etc

3.Cosmetics industry:whitening,anti-oxidation,anti-corrosion,etc.

4.Food industry:antioxidants.It is mainly used for oil,beverage,cold drink and meat processing products.