This product is mainly derived from the legume kudzu Pueraria lobata (Wild.) Ohwi roots. Product name: Puerarin English name: puerarin chemical name: 8-β-D-glucopyranose -4'7- dihydroxyisoflavone formula: C21H20O9 Molecular Weight: 416.4 CAS No .: 3681-99-0 puerarin quality indicators: Characters : White columnar crystalline powder Melting point: l87 ℃ -l88 ℃ content: ≥99.5% Loss on drying: ≤1.0% Residue on ignition: <1.0% Heavy Metal: <5ppm puerarin related substances: should meet the requirements of total bacteria: <300CPU, shall not be seized Salmonella and E. coli mold: <100CPU Packaging: 0.5 kg / bag 1kg / bag Puerarin improve cardiovascular circulation, lower blood sugar, anti-hypertension and arteriosclerosis, improve immunity, such as a variety of biological activity, also has to improve vision, quickly sober up and estrogen-like effects. As a new type of natural efficacy factor, puerarin has an important role in the food industry, pharmaceutical industry, daily chemical industry and so on. China ratified puerarin in 1993 as new drugs used in the treatment of cardiovascular and cerebrovascular diseases, trade name Bullock forest. When puerarin use as a cosmetic raw material, its unique efficacy of phytoestrogens naturally relieve a variety of symptoms due to aging and declining estrogen levels cause, such as sagging, wrinkled skin, skin activity decreased, hair, etc., so Feng Rushuang be used in the manufacture, eye cream, skin cream and so on.