Quercetin

Quercetin, alias oak essence, quercetin PiHuang element, soluble in glacial acetic acid and alkaline solution yellow, hardly soluble in water, alcohol solution taste very bitter. Can be used as pharmaceutical, and has good expectorative effect, cough, and a certain degree of smooth wheezing role. Besides a lower blood pressure, enhance capillary resistance, reduce blood capillary brittleness, fall hematic fat, dilating coronary artery and increased coronary blood flow functions. Used to treat chronic bronchitis. For coronary heart disease and hypertension also have auxiliary therapy effect.