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Product Description
Fisetin Powder is a high-purity flavonoid ingredient derived from botanical sources such as strawberry, apple, and other plant materials. It is widely used in nutraceutical formulations, antioxidant products, healthy aging supplements, and botanical ingredient applications requiring a standardized source of this naturally occurring polyphenol compound.
Fisetin is a naturally occurring flavonol belonging to the polyphenol family. Commercial fisetin powder is commonly supplied as a yellow crystalline powder and selected by supplement manufacturers for capsules, tablets, and advanced botanical formulations requiring controlled purity and consistent quality.
Fisetin is a plant-derived flavonoid compound found naturally in various fruits and vegetables, including strawberries, apples, onions, and other botanical sources. It belongs to the flavonol subclass of polyphenols and has been widely studied for its antioxidant properties and biological characteristics.
Commercial Fisetin is typically produced through extraction, purification, and crystallization processes. Unlike broad-spectrum Plant Extracts, purified fisetin provides a defined single flavonoid compound profile, allowing formulators to develop products with controlled active ingredient specifications.
| Item | Specification |
|---|---|
| Product Name | Fisetin Powder |
| Category | Flavonoid Ingredients / Plant Extracts / nutraceutical ingredients |
| Botanical Source | Common sources include strawberry, apple, onion, and other fisetin-containing plants |
| CAS Number | 528-48-3 |
| Molecular Formula | C15H10O6 |
| Molecular Weight | 286.24 g/mol |
| Appearance | Yellow to yellow-orange crystalline powder |
| Active Compound | Fisetin flavonol |
| Assay Grade | Common commercial grades include 98% or higher purity specifications |
| Test Method | HPLC analysis for fisetin content and purity determination |
| Solubility | Practically insoluble in water; soluble in selected organic solvents |
| Standard Shelf Life | Typically 24 months under recommended storage conditions |
| Storage | Store in a cool, dry place away from moisture, heat, and direct sunlight |
| Packaging | Common packaging includes 1kg/5kg aluminum foil bags and 25kg fiber drums; customized packaging available |
| Applications | Dietary supplements, healthy aging products, antioxidant formulas, capsules, tablets, and botanical blends |

Fisetin has been widely studied as a plant flavonoid compound, particularly for its antioxidant properties and biological activities. Product claims should follow applicable regulations in the target market.
The key sourcing factors for Fisetin Powder are purity level, botanical source, extraction technology, and analytical documentation. Since fisetin is a specific flavonoid compound rather than a complex botanical extract, purity verification and compound identity are important for consistent product development.
| Selection Factor | Importance | Buyer Consideration |
|---|---|---|
| Purity Level | Determines concentration of the target flavonoid compound | Review HPLC assay data and specification documents |
| Botanical Source | Influences raw material quality and extraction characteristics | Evaluate source traceability and processing information |
| Analytical Testing | Confirms identity and active compound content | Check purity testing and quality documentation |
Fisetin Powder can be incorporated into customized dietary supplements, healthy aging products, antioxidant formulas, capsules, tablets, and botanical blends. OEM solutions may include formulation support, packaging customization, private labeling, and technical documentation according to project requirements.
Quality evaluation for Fisetin Powder includes:
Fisetin Powder is commonly supplied in sealed aluminum foil bags for smaller quantities and fiber drums for bulk orders. Customized packaging solutions can be developed for nutraceutical manufacturing requirements.
Fisetin Powder is a specialized flavonoid ingredient designed for nutraceutical, antioxidant, and botanical supplement applications. With high purity specifications, reliable analytical testing, and flexible supply options, it provides a consistent polyphenol ingredient solution for modern product development.
Contact us today to request samples, a COA, technical documents, and a wholesale quotation for Fisetin Powder.

Packaging & Delivery
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