sell quercetin min99%
Plant Source: Quercus iberica, skin and leaves; Dysosma veitehii(Hemsl. et Vils. ) Fu; Hypericum ascyron L. , full plant; Apocynum lancifolium Rus. , leaves.
Functions and applications: fairly good expectorant and antitussive; some antiasthmatic effect; lowering of blood pressure, reducing the brittalness of capillary vessel, lowering blood lipid, dilation of coronary artery, increasing the flow in coronary artery. For the treatment of chronical bronchitis, accessory treatment of coronary heart diseases and hypertension.