High-Purity Resveratrol
Resveratrol 98% Powder – High-Purity Ingredient
Resveratrol 98% is a high-purity powder for supplement formulations where assay, purity and impurity limits matter. The batch COA reports these tests separately, helping buyers assess the grade against their own specifications.
Product Profile
Resveratrol 98% at a Glance
A quick view of the grade and the analytical controls listed in its COA.
High-Purity Profile
High-Purity Resveratrol: What the Tests Cover
This grade is assessed by separate HPLC assay and purity tests, alongside controls for emodin, cis-resveratrol and other related substances.
Purity Profile
Compare the documented batch results with your acceptance criteria, and request the current lot COA before ordering.
Starting Material
The starting material is listed as glucose (yeast), with corn as its source. The COA does not identify the manufacturing process.
Product Specification
Resveratrol 98% Specification
Specifications and measured results for the documented batch.
| Test Item | Method | Specification | Result |
|---|---|---|---|
| Assay & Identity | |||
| Assay | HPLC (CP2020) | 99.0–101.5% (Dried Basis) | 99.79% |
| Purity | HPLC | ≥99.0% | 99.95% |
| Identification | HPLC / IR | Positive | Conforms |
| Related Substances | |||
| Emodin | HPLC | ≤0.1% | Negative |
| Cis-Resveratrol | HPLC | ≤0.1% | Negative |
| Single Impurity | HPLC | ≤0.1% | 0.04% |
| Total Impurities | HPLC | ≤0.5% | 0.05% |
| Physical Properties | |||
| Appearance | Visual | Powder | Conforms |
| Color | Visual | Off white or yellowish | Conforms |
| Odor | Organoleptic | Characteristic | Conforms |
| Particle / Mesh Size | Mesh Screen | 80 mesh ≥95% | 98.10% |
| Water / Moisture | CP2020 <0832> | ≤0.5% | 0.12% |
| Bulk Density, Loose | Weighing | 0.35–0.50 g/ml | Conforms |
| Bulk Density, Tapped | Weighing | 0.50–0.74 g/ml | Conforms |
| Ash | CP2020 <2302> | ≤0.5% | 0.08% |
| Solvent & Contaminant Controls | |||
| DBP | LC-MS-MS | ≤0.3 ppm | Conforms |
| Residual Ethanol | GC | ≤1,000 ppm | 224 ppm |
| Arsenic | ICP-MS | ≤2.0 ppm | Conforms |
| Cadmium | ICP-MS | ≤1.0 ppm | Conforms |
| Lead | ICP-MS | ≤0.5 ppm | Conforms |
| Mercury | ICP-MS | ≤0.1 ppm | Conforms |
| Heavy Metals | CP2020 <0821> | ≤10 ppm | Conforms |
| Microbiological Testing | |||
| Coliforms | GB 4789.3-2016 | ≤0.92 MPN/g | <0.3 MPN/g |
| E. coli | CP2020 <1106> | Negative /10g | Conforms |
| Staphylococcus aureus | CP2020 <1106> | Negative /10g | Conforms |
| Salmonella | CP2020 <1106> | Negative /10g | Conforms |
| Total Plate Count | CP2020 <1105> | ≤1,000 cfu/g | <1 cfu/g |
| Yeast & Mold | CP2020 <1105> | ≤100 cfu/g | <1 cfu/g |
Formulation
Formulating with Resveratrol 98%
The solubility profile and powder properties should be checked against the intended formula and production process.
Powder & Solubility
The COA lists the powder as insoluble in water and soluble in ethanol. Water-based formulas need an appropriate dispersion strategy.
Working with the Supplied Grade
No carrier or excipient is listed in the COA. Verify the selected batch and trial the powder with your intended excipient system.
Storage
Keep Cool, Dry & Protected
- Keep in a sealed container.
- Store under 25°C.
- Keep away from direct sunlight and moisture.
Request a Quote for Resveratrol 98%
Share your purchase quantity, destination and any assay or impurity limits required for your project. We can use these details to discuss the appropriate batch documents and quotation.