Standardized Botanical Extract
Resveratrol 50% Powder | Standardized Polygonum Cuspidatum Extract
A standardized resveratrol powder derived from Polygonum cuspidatum root, offering a practical option for dietary supplement formulas that call for a defined resveratrol content within a botanical extract.
Product Overview
Resveratrol 50% Powder
A botanical resveratrol extract from Polygonum cuspidatum root, supplied as a fine powder for dietary supplement formulations.
Source & Extraction
Polygonum Cuspidatum Root Extract
Resveratrol 50% is made from Polygonum cuspidatum root and supplied as a standardized botanical extract powder.
Botanical Source
The ingredient is made from the root of Polygonum cuspidatum Sieb. Et Zucc. This gives formulators a defined botanical material when the plant source and part used need to be specified.
Extraction & Format
No carrier or excipient is listed. The extraction process uses ethanol and methanol, and the resulting material is supplied as a brown fine powder.
Product Specification
Resveratrol 50% Specification
The specification covers resveratrol content, physical characteristics, contaminants and microbiological quality.
| Test Item | Method | Specification | Result |
|---|---|---|---|
| Composition & Identity | |||
| Resveratrol | HPLC (In-House) | ≥50.0% | 51.16% |
| Emodin | HPLC | ≤2.0% | 1.76% |
| Identification | HPLC | Chromatogram Positive | Conforms |
| Physical Properties | |||
| Appearance | Visual | Fine Powder | Conforms |
| Color | Visual | Brown | Conforms |
| Loss on Drying | USP43-NF38 <731> | ≤5.0% | 1.22% |
| Ash | USP43-NF38 <281> | ≤2.0% | 0.34% |
| Loose Bulk Density | USP43-NF38 <616> | 0.3–0.6 g/ml | 0.44 g/ml |
| Tapped Bulk Density | USP43-NF38 <616> | 0.3–0.8 g/ml | 0.66 g/ml |
| Particle / Mesh Size | US Mesh Screen | 80 mesh ≥90% | 91.17% |
| Odor | Organoleptic | Characteristic | Conforms |
| Taste | Organoleptic | Characteristic | Conforms |
| Solvents & Contaminants | |||
| Pesticides Residue | USP43-NF38 <561> | USP requirements | Conforms |
| Residual Solvents | USP43-NF38 <467> | USP requirements | Conforms |
| Arsenic | AAS | ≤2.0 ppm | 0.14 ppm |
| Cadmium | AAS | ≤1.0 ppm | Negative |
| Lead | AAS | ≤0.5 ppm | 0.06 ppm |
| Mercury | AAS | ≤0.1 ppm | Negative |
| Microbiological Testing | |||
| E. coli | USP43-NF38 <2022> | Negative | Conforms |
| Staphylococcus aureus | USP43-NF38 <2022> | Negative | Conforms |
| Salmonella | USP43-NF38 <2022> | Negative | Conforms |
| Total Plate Count | USP43-NF38 <2021> | ≤1,000 cfu/g | 5 cfu/g |
| Yeast & Mold | USP43-NF38 <2021> | ≤100 cfu/g | <10 cfu/g |
Quality Profile
A Standardized Resveratrol Extract
This extract combines a defined botanical source with a controlled resveratrol content and supporting quality parameters.
Defined Botanical Material
The botanical source and plant part are clearly identified for formulas that specify a particular plant material.
Clear Powder Profile
Appearance, moisture, ash, density and mesh size provide useful information for handling, blending and filling.
Quality Controls
The analytical profile includes pesticide, residual-solvent, metal and microbiological testing alongside active-content and Emodin testing.
Applications
Where Resveratrol 50% Fits
This grade is suited to dietary supplement concepts built around standardized botanical extracts.
Capsules
A straightforward option for capsule formulas where the botanical extract and its marker level are part of the specification.
Tablets
Suitable for tablet formulas when the extract fits the blend, compression and excipient requirements.
Powder Supplements
Works naturally in dry powder concepts where extract concentration, taste and handling need to be considered together.
Premixes
Suitable for botanical and nutritional blends where uniformity and process behavior are appropriate.
Sachets & Stick Packs
Suitable for dry formats where taste, flow and dispersion are addressed during formulation.
Botanical Combination Formulas
A useful choice for formulas that combine several plant-derived ingredients with defined active specifications.
Formulation & Handling
Resveratrol 50% in Dry Supplement Formats
The fine powder format, water-insoluble profile and characteristic botanical taste make this grade well suited to dry formulations.
Dry Powder Applications
Resveratrol 50% can be used in capsules, tablets, powder blends and sachets where the formula is built around a standardized botanical extract.
Formulation Notes
The powder is insoluble in water and has a characteristic taste. For finished products such as drink mixes, gummies or chewables, taste and dispersion should be considered during development.
Documentation
Resveratrol 50% Documentation
Product documentation provides the information needed to review the ingredient before formulation work.
Certificate of Analysis
Includes the analytical specification and test results for the ingredient.
Source Information
Identifies the botanical species, plant part, carrier status and extraction solvents.
Quality Testing
Covers active content, physical characteristics, contaminants and microbiological requirements.
Storage & Handling
Bulk Powder Storage & Handling
Keep the powder sealed and protected from sunlight and moisture.
Storage
Keep Cool, Dry & Protected
- Keep in a sealed container.
- Store under 25°C.
- Protect from direct sunlight and moisture.
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