General Description

Quercetin,is soluble in glacial acetic acid. Its alkaline aqueous solution appears yellow and is almost insoluble in water. Ethanol solution has a bitter taste. As a medicine, it has good expectorant and cough relieving effects, and has a certain anti asthmatic effect. In addition, it has the effects of lowering blood pressure, enhancing capillary resistance, reducing capillary fragility, lowering blood lipids, dilating coronary arteries, and increasing coronary blood flow. Used for treating chronic bronchitis. It also has an adjuvant therapeutic effect on patients with coronary heart disease and hypertension.