Assay  98%

Detection : HPLC

Source: Quercetin is a bioflavonoid extracted from Sophora Japonica Ait.

Physical Properties :yellow powder

Functions  Farily good expectorant and antitussive;some antiasthmatic effect; lowering of blood pressure, reducing the brittalness of capillary vessel,lowering blood lopid, dilation of coronary artery,increasing the flow in coronary artery.For the treatment of chronical bronchitis, accessory treatment of coronary heart diseases and hypertension.                                                                                           

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