Technical Data Sheet (TDS)
Product Name: Puerarin
Synonyms: Kudzu Isoflavone; Daidzein-8-C-glucoside
CAS No.: 3681-99-0
Molecular Formula: C₂₁H₂₀O₉
Molecular Weight: 416.38
Chemical Structure:
![Structure formula not included in text format]
1. Product Description
Puerarin is a natural isoflavone compound isolated from the root of Pueraria lobata (Kudzu root). It is well known for its diverse biological activities, including cardiovascular protection, antioxidant properties, and blood circulation improvement.
In industrial and food applications, Puerarin serves as a functional ingredient in nutraceuticals, beverages, cosmetics, and pharmaceutical intermediates.
2. Specifications
| Item | Specification |
|---|
| Appearance | Light yellow to off-white fine powder |
| Odor & Taste | Characteristic |
| Assay (HPLC) | ≥ 98.0% |
| Loss on Drying | ≤ 5.0% |
| Ash | ≤ 5.0% |
| Heavy Metals | ≤ 10 ppm |
| Lead (Pb) | ≤ 3 ppm |
| Arsenic (As) | ≤ 2 ppm |
| Cadmium (Cd) | ≤ 1 ppm |
| Mercury (Hg) | ≤ 0.1 ppm |
| Total Plate Count | ≤ 1,000 CFU/g |
| Yeast & Mold | ≤ 100 CFU/g |
| E. coli | Negative |
| Salmonella | Negative |
3. Physical & Chemical Properties
| Property | Description |
|---|
| Solubility | Soluble in ethanol and methanol; slightly soluble in water |
| Melting Point | 183–185°C |
| pH (1% solution) | 5.0–7.0 |
| Stability | Stable under normal storage conditions; sensitive to strong light and heat |
| Color Reaction | Yellow under alkaline conditions |
4. Applications
Food & Nutraceutical Grade
Used in dietary supplements, functional foods, and beverages for cardiovascular support and antioxidant properties.
Popular in anti-aging and metabolic regulation formulations.
Typical dosage: 50–500 mg/day depending on formulation.
Industrial & Pharmaceutical Grade
Used as an intermediate for pharmaceutical preparations targeting circulatory disorders, neuroprotection, and liver health.
Utilized in cosmetic formulations for whitening and anti-aging effects.
May be used in analytical research as a reference standard for isoflavone quantification.
5. Safety & Handling
| Aspect | Guideline |
|---|
| Toxicity | Considered safe within recommended dosage limits. Non-toxic at low concentrations. |
| Handling | Avoid inhalation and direct skin contact; use protective equipment. |
| Storage | Store in a tightly closed container, in a cool (≤25°C), dry, and well-ventilated area. Avoid direct sunlight. |
| Shelf Life | 24 months under proper storage conditions. |
| Packaging | 1kg/aluminum foil bag; 25kg/fiber drum or as per customer requirements. |
6. Regulatory Information
Food Grade Compliance: Conforms to general food safety standards (GB 2760, EU Regulation 1333/2008).
Pharmaceutical Reference: Listed in Chinese Pharmacopoeia (ChP).
Allergens: None known.
GMO Status: Non-GMO.
Irradiation: Non-irradiated.
7. Technical Support
For formulation assistance, stability data, or bulk order information, please contact:
http://www.khonorchem.com
China
