[Source]: derived from the dried roots of legume kudzu. Deciduous perennial vine, up to 10m, the whole plant is brown shag. Tubers cylindrical, plump, sallow skin, internal silty, strong fiber. Born in the hillside roadside grass and woodland relatively damp places. [Character]: brown powder extract [parts] [active ingredient] root isoflavone (puerarin, daidzein, daidzein, genistein) [specification] ≥40% (HPLC) [Appearance]: powder [function] dilate blood vessels, improve blood circulation; reducing myocardial oxygen consumption, inhibit cancer cell; increase coronary blood flow, adjust blood circulation; the treatment of various ages sudden deafness; reduce cardiovascular disease risk [Use] pharmaceutical products, health Food Shelf life 2 years [Storage] dark, cool, dry place Purariae standard recommended dose of 6-12 tablets / day (10mg isoflavones / tablet) to relieve menopausal symptoms, migraine and hypertension. Can also be 2-3 times a day, every 60-120mg [package] with double plastic bags, external drum (25 kg / barrel)