Standardized Botanical Extract
Resveratrol 50% Extract Powder – Standardized Botanical Extract
This resveratrol 50% extract is made from Polygonum cuspidatum root and supplied as a fine brown powder. It suits ingredient evaluations that specify a botanical extract with at least 50% resveratrol by HPLC.
Product Overview
Resveratrol 50% at a Glance
The source, appearance and core specification of this 50% extract.
Source & Extraction
Source and Extraction Details
This grade has no listed carriers or excipients. Its botanical composition and brown appearance are useful considerations when selecting ingredients for a finished formulation.
Botanical Source
The plant identity and root source are documented for ingredient qualification.
Extraction & Format
Ethanol and methanol are listed as solvents used. The COA reports residual-solvent compliance with USP requirements.
Product Specification
Resveratrol 50% Specification
Limits and test results for the referenced batch, including resveratrol and emodin.
| 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 |
Applications
Using Resveratrol 50% in Formulations
Evaluate its color, flow and blending behavior in the finished formulation rather than relying on the assay alone.
Capsules
Consider dose, fill weight and flow performance in the selected capsule size.
Tablets
Check blending and compression performance with the complete excipient system.
Powder Supplements
Evaluate flavor, color and blend uniformity in the final powder mix.
Storage & Handling
Storage and Handling
Keep the powder sealed between uses to limit exposure to moisture and light.
Storage
Keep Cool, Dry & Protected
- Keep in a sealed container.
- Store under 25°C.
- Protect from direct sunlight and moisture.
Request a Quote for Resveratrol 50%
For a Resveratrol 50% quotation, let us know the quantity and destination, along with any assay, emodin or physical specifications your formulation requires.