Polyphenol Ingredient
Resveratrol Powder – High-Purity Polygonum Cuspidatum Extract
This high-purity resveratrol powder is extracted from Polygonum cuspidatum root. It is specified at ≥98% resveratrol by HPLC and supplied for ingredient buyers evaluating botanical source, analytical quality and bulk requirements.
Product Information
Resveratrol Powder at a Glance
Source, assay and powder characteristics in one quick reference.
Source & Extraction
Botanical Source and Extraction
The COA identifies this resveratrol extract powder as a 100:1 root extract without added carriers or excipients. The extraction solvents and tested material properties are documented below.
Botanical Source
The botanical identity and plant part are documented for source-specific ingredient requirements.
Extraction Profile
The COA lists ethyl acetate, ethanol and water as extraction solvents. Residual ethyl acetate is checked in the finished ingredient.
Technical Specification
Resveratrol Powder Specification
Specification limits and results from the referenced production batch are shown below.
| Test Item | Method | Specification | Result |
|---|---|---|---|
| Active Content & Identity | |||
| Resveratrol | HPLC | ≥98.00% | 99.23% |
| Emodin | HPLC | ≤1.0% | ≤0.1% |
| Identification | TLC | Specified by method | Complies |
| δ13C | GB/T 18932.1-2002 | -30.0 to -32.0‰ | -31.20‰ |
| Physical Properties | |||
| Appearance | Visual | Off white to white powder with bitter odour and taste | Complies |
| Odor & Taste | Visual & taste | Characteristic | Characteristic |
| Loss on Drying | GB/T 5009.3 | ≤1.0% | 0.12% |
| Sulphated Ash | GB/T 5009.4 | ≤0.5% | 0.21% |
| Bulk Density | USP <616> | 35.0–50.0 g/100 ml | 46.1 g/100 ml |
| Particle Size | USP <786> | 100% through 80 mesh | 100% Complies |
| Solvent & Contaminant Controls | |||
| Ethyl Acetate | USP <34> | ≤10 ppm | <10 ppm |
| Heavy Metals | GB/T 5009.74 | ≤10 ppm | <10 ppm |
| Pesticide Residues | USP <561> | Meet USP requirements | Conforms |
| Arsenic | GB/T 5009.11 | ≤2 ppm | <2 ppm |
| Mercury | GB/T 5009.17 | ≤0.1 ppm | <0.1 ppm |
| Cadmium | GB/T 5009.15 | ≤1 ppm | <1 ppm |
| Lead | GB/T 5009.12 | ≤3 ppm | <3 ppm |
| Microbiological Testing | |||
| Total Plate Count | GB/T 4789.2 | ≤1,000 cfu/g | Complies |
| Yeasts & Molds | GB/T 4789.15 | ≤100 cfu/g | Complies |
| E. coli | GB/T 4789.3 | Negative | Negative |
| Salmonella | GB/T 4789.4 | Negative | Negative |
| Staphylococcus | GB/T 4789.10 | Negative | Negative |
Application Areas
Resveratrol Powder Applications
This ingredient can be evaluated for dry supplement formats, with handling and sensory properties checked in the finished formulation.
Capsules
Consider fill weight, serving size and flow properties during capsule trials.
Tablets
Assess blending and compression performance with the intended excipients.
Powder Blends
Check dispersion in the dry mix, uniformity and taste where relevant.
Formulation Review
Choosing Between Resveratrol Grades
Resveratrol grades can differ in their starting materials even when their assay specifications are similar. Compare the source, test results and handling characteristics before selecting a grade.
What to Review
If botanical origin is important to your product, review the stated plant source and particle size alongside the batch quality results.
Choosing the Right Resveratrol Grade
Different formulations may require different resveratrol specifications. When comparing options, consider not only the resveratrol content but also the ingredient source, powder characteristics, and quality requirements of your finished product. In addition to this botanical resveratrol powder, we offer Resveratrol 50% and Resveratrol 98% as separate product options. Each has its own specifications and quality profile, allowing you to evaluate the most suitable material for your formulation and sourcing needs.
Packaging
25 KG / Drum
The product is packed in a drum with double plastic bags inside for storage and handling.
Storage
Cool, Dry & Protected
- Store in a cool and dry place.
- Keep away from direct light and heat.
- Do not freeze.
Request a Quote for Bulk Resveratrol Powder
For bulk resveratrol powder orders, share your quantity, destination and any required specifications. We can then discuss current availability, packaging and a quote based on your request.