Quercetin Powder

High-Purity Quercetin Powder | 95%-98% Quercetin Dihydrate | Natural Antioxidant for Supplements, Functional Foods & Cosmetics

Our Quercetin Powder is a premium, plant-derived flavonoid extract standardized to contain 95%-98% quercetin dihydrate-one of nature's most potent antioxidants, found in foods like onions, apples, and berries. As a leading manufacturer and supplier, we specialize in producing high-purity quercetin powder with exceptional bioactivity, leveraging a gentle extraction process to preserve its natural properties.

Sourced from non-GMO plant materials (primarily sophora japonica and buckwheat), our extract undergoes rigorous purification to eliminate impurities, ensuring consistent potency in every batch. Unlike lower-grade quercetin, our powder delivers maximum antioxidant efficacy, supporting immune function, oxidative balance, and overall wellness. Free from solvents, GMOs, and artificial additives, our quercetin powder meets strict global standards (USP, EP) and is trusted by nutraceutical, food, and cosmetic brands worldwide for its versatility and reliability.

Quality Control Measures

1.Raw Material Testing: Each plant batch is tested for quercetin content (minimum 8% in raw material) and pesticide residues.

2.In-Process Monitoring: Extraction temperature and purification parameters are logged to ensure maximum quercetin retention.

3.Final Product Testing:

• Quercetin dihydrate assay via HPLC (accuracy within ±1% of labeled concentration).
• Antioxidant activity verified via ORAC (Oxygen Radical Absorbance Capacity) testing.
• Heavy metals (ICP-MS) and microbial testing (ISO 21528) meet global standards.

4.Traceability: Each batch assigned a unique ID, linking to raw material source, production data, and test results (accessible via client portal).

• Ultra-High Purity: 95%-98% quercetin dihydrate (HPLC-verified) ensures maximum antioxidant efficacy.
• Powerful Antioxidant: Scavenges free radicals and supports immune function, backed by extensive research.
• Versatile Solubility: Available in standard (ethanol-soluble) or water-dispersible formulations for diverse applications.
• Plant-Derived & Clean: Non-GMO, solvent-free, and free from additives-aligns with clean-label demands.
• Batch Consistency: Advanced testing guarantees uniform potency and purity across all productions.
• Global Compliance: Meets USP, EP, and FDA standards for use in supplements, foods, and cosmetics.

Our Quercetin Powder delivers versatile benefits across industries, harnessing its powerful antioxidant properties:

• Dietary Supplements: A core ingredient in capsules, tablets, and powders targeting immune support, respiratory health, and oxidative stress reduction. Its high purity makes quercetin powder ideal for formulations promoting seasonal wellness and cellular health. Brands often pair it with vitamin C or bromelain to enhance absorption, creating synergistic immune-support blends.
• Functional Foods & Beverages: Added to energy bars, fruit juices, smoothies, and fortified snacks to boost antioxidant content. Water-dispersible quercetin powder integrates seamlessly into liquid formulations, while its mild flavor complements fruit-based products-appealing to health-conscious consumers seeking functional "superfoods."
• Cosmetics & Skincare: Formulated into serums, creams, and masks for its antioxidant and anti-aging benefits. Quercetin powder helps protect skin from environmental damage, reduce inflammation, and support collagen production, making it a valuable ingredient in natural anti-aging lines.
• Nutraceutical Blends: Used in combination with ingredients like curcumin or resveratrol in broad-spectrum antioxidant formulations. Its ability to support multiple wellness pathways makes quercetin powder a staple in holistic health products.

Case 1: Immune Supplement Brand (USA): A leading nutraceutical company integrated our 98% quercetin powder (with vitamin C) into their "Immune Defense" capsules. Clinical trials showed 37% increased antioxidant activity compared to competitors, driving a 52% sales increase in 6 months.

Case 2: Functional Beverage Maker (UK): A cold-pressed juice brand added our water-dispersible quercetin powder to their "Antioxidant Boost" blend. The "high-quercetin" claim resonated with consumers, boosting market share by 38% within 3 months.

Case 3: Skincare Line (South Korea): A K-beauty brand formulated our 95% quercetin powder into their "Radiance Serum." User trials reported 42% reduced oxidative damage (via skin carotenoid testing), leading to a 65% sell-out rate in the first month.

1.Packaging Options:

• Small quantities: Aluminum foil bags (100g, 500g, 1kg) with vacuum-sealed liners to prevent moisture and oxidation.
• Bulk orders: Food-grade HDPE drums (25kg) with nitrogen-flushed inner bags for long-term stability.
• Custom packaging: Private labeling, sachets, or blister packs available on request (for finished supplements).

2.Storage Guidelines: Store in a cool (15-25°C), dry place away from direct sunlight. Seal tightly after use to maintain triterpene potency.

3.Shipping Details:

• Samples: Shipped via DHL/FedEx (3-5 business days globally) with Certificate of Analysis (COA) and safety data sheets.
• Bulk orders: Sea freight (20-30 days) or air freight (5-7 days) with flexible Incoterms (FOB, CIF, DDP).
• Documentation: COA (with triterpene and actein results), MSDS, and organic certificates (if applicable) included.

1. Raw Material Selection: High-quercetin plant materials (sophora japonica buds, buckwheat leaves) sourced from certified farms.
2. Cleaning & Drying: Plant materials are washed to remove debris, then dried at low temperature (40-45°C) to preserve flavonoids.
3. Extraction: Quercetin is extracted using water or ethanol (food-grade) to dissolve flavonoids-no harsh solvents.
4. Filtration: Extract is filtered to remove plant fibers, producing a clear quercetin-rich solution.
5. Purification: Column chromatography isolates quercetin, removing other flavonoids and impurities.
6. Concentration: Solution is concentrated under low pressure to remove excess solvent.
7. Crystallization: Quercetin dihydrate crystals form, achieving 95%-98% purity.
8. Drying & Milling: Crystals are dried and milled into fine powder (80-120 mesh) for uniform consistency.
9. Quality Testing: HPLC analysis verifies quercetin content; microbial and heavy metal screening.
10. Packaging: Powder is sealed in moisture-proof containers under nitrogen to prevent degradation.

"The 98% quercetin powder has revolutionized our immune supplements. Consistent potency, and our customers report faster results-repeat orders up 45%."

– Lisa, Supplement Manufacturer (Canada)

"We use this in our organic energy bars. It blends perfectly, adds no bitter taste, and the 'high-antioxidant' claim drives sales-up 30% this quarter."

– Marco, Functional Food Brand (Italy)

"As a cosmetic chemist, I value the stability of this extract. It doesn't degrade in our serums, and the antioxidant data is impressive. Our customers love the results."

– Ji-Hyun, Skincare Formulator (South Korea)

Q: What is quercetin powder?
A: It's a high-purity extract of quercetin-a natural flavonoid antioxidant found in plants, standardized to 95%-98% purity for supplements, foods, and cosmetics.

Q: What are the key benefits of quercetin powder?
A: It supports immune function, scavenges free radicals, and promotes oxidative balance-backed by extensive scientific research.

Q: Is your quercetin powder water-soluble?
A: We offer both standard (ethanol-soluble) and water-dispersible versions to suit different formulations, including beverages and topical products.

Q: What concentrations of quercetin do you provide?
A: Our powder is available in 95% and 98% quercetin dihydrate, with custom options for large-volume orders.

Q: What applications use quercetin powder?
A: It's used in dietary supplements (immune support), functional foods (antioxidant fortification), and skincare (anti-aging formulations).

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