Puerarin
| Parameter | Specification |
|---|---|
| Product Name | Puerarin |
| CAS Number | 3681-99-0 |
| Molecular Formula | C21H20O9 |
| Molecular Weight | 416.38 g/mol |
| Appearance | White to off-white crystalline powder |
| Assay (HPLC) | ≥98.0% |
| Solubility | Slightly soluble in water, soluble in ethanol, methanol |
| Package | 25 kg fiber drum with double polyethylene liner |
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Synonyms: 7-Hydroxy-3-(4-hydroxyphenyl)-4H-1-benzopyran-4-one 8-β-D-glucopyranoside; 8-C-Glucosyl-7,4′-dihydroxyisoflavone; Puerarin; Daidzein 8-C-glucoside; Kakonein; 3681-99-0
Puerarin is a naturally occurring isoflavone C-glucoside found primarily in the roots of Pueraria lobata (kudzu), a plant deeply rooted in Traditional Chinese Medicine. For centuries, kudzu root has been used to address cardiovascular and neurological conditions, and modern research has identified puerarin as its principal bioactive constituent. Unlike many flavonoids, puerarin possesses a unique C-glycosidic linkage, which confers greater stability and distinct pharmacological properties.
As a pure compound, puerarin is isolated and purified to high standards, typically achieving ≥98% purity by HPLC. It appears as a white to off-white crystalline powder, sparingly soluble in water but readily soluble in polar organic solvents like ethanol and methanol. This solubility profile makes it suitable for a range of formulation approaches, from oral solid dosage forms to injectable preparations in clinical settings.
In the B2B pharmaceutical and nutraceutical space, puerarin is valued for its vasodilatory, antioxidant, and neuroprotective effects. It is a key ingredient in products targeting cardiovascular health, cognitive function, and metabolic syndrome. Its well-documented safety profile and synergistic potential with other botanicals make it a versatile component for formulators.
| Test Item | Specification |
|---|---|
| Identification | IR spectrum conforms to reference |
| Loss on Drying | ≤2.0% |
| Residue on Ignition | ≤0.5% |
| Heavy Metals | ≤10 ppm |
| Microbial Limits | Total aerobic count ≤1000 CFU/g; Yeast & Mold ≤100 CFU/g; E. coli absent |
| Organic Impurities | Any individual impurity ≤0.5%; Total impurities ≤1.0% |
| Residual Solvents | Ethanol ≤5000 ppm; complies with ICH Q3C |
Our standard MOQ is 1 kg. For larger quantities, we offer competitive pricing and flexible packaging options.
For stock items, delivery is typically 3-5 business days after order confirmation. We maintain ample inventory to ensure prompt shipment.
Yes, we provide a COA for each batch. Samples are available upon request for quality evaluation; sample dispatch is usually arranged within 1-2 days.
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