Puerarin(CAS:3681-99-0）

Puerarin (CAS: 3681-99-0), with molecular formula C₂₁H₂₀O₉ and molecular weight of 416.37, is a natural isoflavone active monomer extracted from the roots of Pueraria lobata. As a typical C-glycoside isoflavone, it has stable molecular structure and excellent water solubility, different from ordinary flavonoids. With clear pharmacological targets and high absorption efficiency, Puerarin has mature research in cardiovascular protection, antioxidation and skin conditioning. Relying on traditional Chinese medicine application and modern purification technology, it is widely used in biomedicine, health products, cosmetics and scientific research, occupying an important position in the natural plant extract industry.

In terms of physical and chemical properties, Puerarin appears as white needle-shaped crystalline powder with slight bitter taste and stable properties. It is soluble in both organic solvents and warm water, possessing better water solubility than most flavonoid monomers. It has good heat resistance and acid-base stability, not easy to deteriorate under sealed storage. Nevertheless, it is sensitive to strong light; long-term illumination will cause yellowing and activity attenuation. It shall be stored in sealed, light-proof, cool and dry environment away from strong oxidants to maintain stable purity and biological activity, meeting pharmaceutical and cosmetic raw material standards.

In industrial production, Puerarin is prepared from high-quality kudzu roots through warm water extraction and multi-stage purification. The production procedures include raw material screening, drying, crushing, water extraction, vacuum concentration, impurity removal, macroporous resin enrichment, HPLC refining, recrystallization and vacuum drying. Adopting pure physical extraction without harmful residues, the process completely retains natural isoflavone activity. Invalid impurities such as starch and crude fiber are removed through multi-stage separation. Industrial refined Puerarin can reach a purity of more than 98%, featuring pure appearance and low impurities for high-standard industrial application.

Puerarin has diverse and targeted pharmacological activities, mainly including cardiovascular protection, anti-oxidation, anti-inflammation, liver protection and skin repair. For cardiovascular health, it dilates blood vessels, improves microcirculation and increases coronary blood flow. It efficiently scavenges free radicals to reduce oxidative damage and delay cell aging. Its anti-inflammatory property inhibits inflammatory factors and relieves chronic inflammation. In addition, it protects the liver from alcohol damage and regulates body metabolism. In cosmetics, it inhibits tyrosinase activity to reduce melanin and brighten skin tone with low irritation and high safety.

Puerarin has wide application coverage. In the pharmaceutical field, it serves as a core intermediate for cardiovascular drugs. In health products, it is made into supplements for vascular maintenance and liver conditioning. In cosmetics, it is added into whitening and anti-aging skincare products. In scientific research, it is commonly used as a standard reference substance for isoflavone detection and pharmacological experiments.

With the continuous development of the plant extract industry, water-soluble flavonoids are increasingly popular. Benefiting from excellent water solubility, definite efficacy and high safety, Puerarin maintains steady market demand. In the future, with optimized purification technology, product stability will be further improved. With mature production system and diverse biological activities, Puerarin will continue to develop in biomedicine, health care and cosmetics, becoming a high-value benchmark product among natural isoflavone extracts.