Quercetin:

Quercetin, also known as the quercetinic acid, quercetin, soluble in glacial acetic acid, alkaline water solution is yellow, almost insoluble in water and alcohol taste very bitter. Can be used as medicine, has expectorant, antitussive effect better, and anti athmatic effect. In addition to reduce blood pressure, enhance capillary resistance, reduce capillary fragility, blood lipids, dilation of coronary artery, increase the role of coronary blood flow and so on. Used for the treatment of chronic bronchitis. In patients with coronary heart disease and hypertension also has the auxiliary treatment function.

This product is extracted from the buds of Sophora japonica L SOPHORA JAPONICA l rutin by acid hydrolysis and purification of rutin yuan, yellow needle like crystal. This product has expectorant, antitussive, antiasthmatic and anti-inflammatory effect, and enhance the capillary resistance, reduce the brittleness, the expansion of the role of the coronary artery.