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Shaanxi Kaishi Biotechnology Co., Ltd
Product Description
Quercetin High Purity Powder is a standardized flavonoid ingredient extracted from plant sources such as Sophora japonica flower buds or other qualified botanical materials. It is widely used in dietary supplements, antioxidant formulations, functional nutrition products, and botanical ingredient applications requiring a highly purified quercetin compound.
Quercetin is a naturally occurring flavonol belonging to the polyphenol family. High purity quercetin powder is commonly supplied as a fine yellow crystalline powder and is selected by supplement manufacturers for capsules, tablets, powder blends, and advanced nutraceutical formulations.
Quercetin is a plant-derived flavonoid found naturally in many fruits, vegetables, and botanical materials. Commercial quercetin powder is typically produced through extraction, purification, and crystallization processes to achieve high assay levels.
Compared with general botanical extracts, high purity quercetin provides a more concentrated single active compound profile, allowing formulators to develop products with controlled flavonoid content and consistent quality specifications.
| Item | Specification |
|---|---|
| Product Name | Quercetin High Purity Powder |
| Category | Plant Extracts / Flavonoid Ingredients / nutraceutical ingredients |
| Botanical Source | Common sources include Sophora japonica flower buds and other quercetin-rich plants |
| CAS Number | 117-39-5 |
| Molecular Formula | C15H10O7 |
| Molecular Weight | 302.24 g/mol |
| Appearance | Yellow to yellow-green crystalline powder |
| Assay Grade | Commonly available in 95%, 98%, 99% and higher purity specifications |
| Active Compound | Quercetin flavonoid |
| Test Method | HPLC analysis for quercetin content and purity determination |
| Solubility | Slightly soluble in water; soluble in certain organic solvents and alkaline solutions |
| 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, antioxidant formulas, functional foods, capsules, tablets, and botanical blends |
Quercetin has been widely studied for its antioxidant properties and biological activities associated with plant flavonoids. Product claims should follow applicable regulations in the target market.
The key sourcing factors for high purity quercetin are assay level, botanical source, extraction process, and quality documentation. Different purity grades may be selected depending on whether the product requires a standardized botanical ingredient or a highly concentrated single flavonoid compound.
| Quercetin Grade | Characteristics | Typical Application |
|---|---|---|
| Quercetin 95% | Standardized flavonoid ingredient with broad formulation compatibility | General dietary supplements and botanical blends |
| Quercetin 98%-99% | Higher purity single compound specification | Premium supplements and formulations requiring concentrated quercetin |
| Customized Quercetin Powder | Specification adjusted according to product requirements | OEM nutraceutical projects and specialty formulations |
Quercetin High Purity Powder can be incorporated into customized dietary supplements, antioxidant products, 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 Quercetin Powder includes:
Quercetin High Purity 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 different nutraceutical manufacturing requirements.
Quercetin High Purity Powder is a premium flavonoid ingredient designed for dietary supplements, functional nutrition, and botanical formulations. With high assay purity, reliable analytical testing, and flexible supply options, it provides a consistent ingredient solution for modern nutraceutical product development.
Contact us today to request samples, a COA, technical documents, and a wholesale quotation for Quercetin High Purity Powder.
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