Technical Data Sheet (TDS)
Product Name: Polydatin Powder
CAS No.: 501-36-0
Molecular Formula: C₂₀H₂₂O₈
Molecular Weight: 390.39 g/mol
Synonyms: Piceid, 3,4′,5-Trihydroxystilbene-3-β-D-glucoside
Grade: Food & Industrial
1. Product Description
Polydatin, also known as Piceid, is a natural stilbene glycoside primarily found in Polygonum cuspidatum (Japanese knotweed). It exhibits antioxidant, anti-inflammatory, cardio-protective, and neuroprotective activities.
Food Grade: Suitable for dietary supplements, functional foods, and beverages.
Industrial Grade: Suitable for pharmaceuticals, cosmetics, and research applications.
2. Specifications / Analytical Data
| Test Item | Specification | Typical Result |
|---|
| Appearance | White to light yellow crystalline powder | White crystalline powder |
| Odor & Taste | Characteristic | Characteristic odor, slightly bitter taste |
| Identification | IR / HPLC / TLC | Conforms |
| Assay (HPLC) | ≥ 98.0% | 98.4% |
| Solubility | Soluble in ethanol and DMSO; slightly soluble in water | Conforms |
| Loss on Drying | ≤ 1.0% | 0.5% |
| Residue on Ignition (Ash) | ≤ 0.1% | 0.05% |
| Heavy Metals | ≤ 10 ppm | 5 ppm |
| Lead (Pb) | ≤ 2 ppm | < 1 ppm |
| Arsenic (As) | ≤ 1 ppm | < 0.5 ppm |
| Cadmium (Cd) | ≤ 1 ppm | < 0.1 ppm |
| Mercury (Hg) | ≤ 0.1 ppm | < 0.05 ppm |
| Microbial Limits | Total Plate Count ≤ 1000 CFU/g | 100 CFU/g |
| Yeast & Mold ≤ 100 CFU/g | 10 CFU/g |
| E. coli / Salmonella / Staphylococcus | Not detected |
3. Physical & Chemical Properties
Melting Point: 210–215 °C
Density: 1.3 g/cm³
pH (1% solution): 5–7
Storage: Store in a cool, dry place, away from light and moisture.
4. Applications
Food & Beverage Industry:
Functional foods and nutraceuticals
Dietary supplements and energy products
Beverages enriched with antioxidants
Pharmaceutical & Cosmetic Industry:
Active ingredient in anti-inflammatory and cardio-protective formulations
Cosmetic applications for anti-aging and skin protection
Research chemical in pharmaceutical studies
Industrial Applications:
Raw material for synthesis of derivatives
Component in health-related functional products
Intermediate for cosmetic and pharmaceutical formulations
5. Packaging
Food Grade: 25 kg/drum, inner lined with double polyethylene bags
Industrial Grade: 25 kg/drum or customized packaging
6. Shelf Life
2 years when stored properly in a cool, dry, and dark place
7. Safety & Handling
Avoid inhalation and contact with eyes and skin.
Use standard personal protective equipment (PPE).
Follow MSDS guidelines for industrial use.
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