Polydatin Overview: Key Facts, Uses, and Handling
Are you curious about Polydatin? This natural compound gains more attention in various industries—from pharmaceuticals to skincare. We break down the key facts in simple terms, no jargon included. Let’s dive in!
1. What Is Polydatin and Where Does It Come From?
Polydatin, also known as Resveratrol-3-O-β-D-glucoside, is a natural polyphenol compound. It is the glycoside form of resveratrol, which means it contains a glucose group attached to the resveratrol structure.
We extract Polydatin mainly from the rhizome and roots of giant knotweed (Polygonum cuspidatum), a plant widely used in traditional practices. You can also find tiny amounts in red wine, nuts, fruits, and hop pellets. For industrial use, giant knotweed remains the primary source because it offers high yields.
2. How Is Polydatin Tested?
Manufacturers usually test Polydatin content using HPLC (High-Performance Liquid Chromatography).
HPLC allows accurate measurement of:
Polydatin concentration
Purity and consistency
Batch-to-batch quality
3. Different Polydatin Purity Levels: Where to Use Them?
Polydatin comes in various purity grades, and each fits specific uses:
- Low purity (10-50%): Ideal for skincare products (like serums and creams) and functional foods. It adds natural antioxidant benefits without high costs.
- Medium purity (50-90%): Suitable for health supplements. It balances effectiveness and affordability for daily use.
- High purity (≥98%): Used in pharmaceuticals and scientific research. Strict quality standards require this grade for drug development and clinical studies.
4. What About Polydatin’s Solubility and Color?
Color: Polydatin appears as white to light brown powder. Higher purity grades tend to be whiter.
Solubility: Slightly soluble in water; Soluble in ethanol and methanol
5. How Should Polydatin Be Stored?
Proper storage keeps Polydatin stable and effective:
Store in a cool, dry place
Keep containers tightly sealed
Protect from light, heat, and moisture
Avoid prolonged exposure to air
Under correct conditions, Polydatin typically has a shelf life of up to 24 months.
Polydatin’s natural origin and versatile properties make it a popular choice across industries. Whether you need it for supplements, skincare, or research, understanding these basics helps you make the best use of it.
If you would like technical documents, specifications, or sourcing support, feel free to reach out—we are happy to help.