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Home > Hot Products > High-Quality High Purity China Quercetin Suppliers | 95% HPLC & 98% UV Factory Direct Offer Suppliers, Exporters
High-Quality High Purity China Quercetin Suppliers | 95% HPLC & 98% UV Factory Direct Offer Suppliers, Exporters
High-Quality High Purity China Quercetin Suppliers | 95% HPLC & 98% UV Factory Direct Offer Suppliers, Exporters
High-Quality High Purity China Quercetin Suppliers | 95% HPLC & 98% UV Factory Direct Offer Suppliers, Exporters
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High-Quality High Purity China Quercetin Suppliers | 95% HPLC & 98% UV Factory Direct Offer Suppliers, Exporters
High-Quality High Purity China Quercetin Suppliers | 95% HPLC & 98% UV Factory Direct Offer Suppliers, Exporters
High-Quality High Purity China Quercetin Suppliers | 95% HPLC & 98% UV Factory Direct Offer Suppliers, Exporters

High-Quality High Purity China Quercetin Suppliers | 95% HPLC & 98% UV Factory Direct Offer Suppliers, Exporters

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Product NameQuercetin
Botanical SourceSophora Japonica
AppearanceBright yellow powder or granular form, slightly soluble in water.
Specification95% HPLC, 98% UV Quercetin
Related ProductsLutein 95%; 98%; 10:1 extract
Shelf Life2 years; store away from sunlight and keep dry.
Free SampleAvailable upon request.
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Our Quercetin, sourced from the finest Sophora Japonica, is a premium product available from top China suppliers and manufactured in our state-of-the-art factory. This high-quality yellow powder is slightly soluble in water and comes with specifications of 95% HPLC and 98% UV, ensuring optimal potency for various applications. With a shelf life of two years, you can trust that our Quercetin will meet your needs when stored properly. Request your free sample today and experience the quality that distinguishes our products in the market.

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Product Description

Product Description
Quercetin 1
Quercetin is a naturally occurring flavonoid widely found in nature and belongs to the group of plant polyphenols. Quercetin can be found in onions, flos sophorae, apples, grapes, citrus fruits, as well as many plants and traditional herbs. Because of its natural origin and biological activity, quercetin has become an important compound studied in the field of plant extracts and nutritional science.
We offer two premium grades of quercetin to meet diverse formulation needs:
Assay 95% HPLC 98% UV
Specification Dihydrate (9.0% ~ 12.0%) Anhydrate (≤4.0%)
Appearance Powder Granular
All products are tested to meet international quality standards, with flexible MOQ and bulk supply available.
Certificate of Analysis
Characters Specifications Results
Appearance Yellow, crystalline powder Yellow, crystalline powder
Solubility Practically insoluble in water, Soluble in aqueous alkaline sol. Complies
Melting point 305–315℃ 310℃
Identification Must positive Complies
Tests
Loss on drying 9.0–12.0% 9.12%
Sulphated ash ≤0.5% 0.3%
Heavy metal ≤10 ppm Complies
Arsenic <1.0 ppm Negative
Cadmium <1 ppm Negative
Lead <3.0 ppm Complies
Mercury <0.1 ppm Complies
Particle Size 100% pass 80 mesh Complies
Assay (on dry product) ≥95% HPLC
≥98% UV		 96.38%
99.33%
Microbiological Test
Total plate count ≤1000 CFU/g Complies
Yeast & Mould ≤100 CFU/g Complies
E. Coli Absent Absent
Pseudomonas aeruginosa Absent Absent
Key Advantages
Natural Plant Extract
Extracted from high-quality natural plants, non‑GMO, safe and reliable for food, supplement, and cosmetic applications.
High Purity & High Quality
Strict production process ensures high purity, low heavy metals, low microbial count, and compliance with export standards such as USP and EP.
Strong Antioxidant Activity
Powerful antioxidant properties help protect cells from oxidative stress and support overall immune health.
Stable & Easy to Formulate
Good flow, solubility and stability make quercetin ideal for capsules, tablets, powders, drinks and topical products.
Global Compliance & Certifications
Supports complete certificates: COA, MSDS, ISO, FDA, HALAL, KOSHER upon request.
Factory Direct Supply
Competitive price, in-stock supply, accept custom specifications available.
Functions
  • 💊
    Health Care Products: Reduce blood pressure and enhance immunity
  • 🏥
    Pharmaceutical Field: Relieving cough, relieving asthma, clearing heat and detoxifying
  • ✨
    Cosmetics: Anti-inflammatory, antioxidant
  • 🐄
    Feed Addition: Improve the production performance of livestock and poultry, improve the quality of meat and eggs
Quercetin 1 Quercetin 2
Packing
Weight Packing Method
1 kg Bag/kg, box outside (double plastic bag + aluminum foil bag inside)
10 kgs, 25 kg or more By drums or carton (2 layers plastic bag inside)
Packaging
Delivery
Weight Delivery Method Delivery Time Destination
1 kg – 25 kgs EMS, DHL, UPS, FedEx 3–7 days Door to door
25 kgs – 100 kgs DHL, FedEx, by Air 3–7 days Door to door (to Airport by Air)
More than 100 kgs By Air 3–7 days Door to Airport
By Sea 10–35 days Door to port
Logistics
Logistics
Frequently Asked Questions
What is the difference between Quercetin 95% HPLC and 98% UV?
The 95% HPLC grade is a dihydrate form (9.0%–12.0% moisture content) available as a powder, while the 98% UV grade is an anhydrate form (≤4.0% moisture) available as granules. Both grades meet strict international quality standards and are suitable for different formulation needs.
What certifications are available for your Quercetin products?
We can provide a full set of documentation including COA, MSDS, ISO, FDA registration, HALAL, and KOSHER certificates upon request, supporting global regulatory compliance for food, pharmaceutical, and cosmetic applications.
What is the minimum order quantity (MOQ) for Quercetin?
We offer flexible MOQ starting from 1 kg for sample or small-batch orders, up to bulk drum supplies of 25 kg or more. Custom specifications and packaging options are also available upon request.
How is Quercetin packaged for shipping?
For 1 kg orders, products are packed in double plastic bags plus an aluminum foil bag inside a cardboard box. For 10 kg, 25 kg or larger quantities, drums or cartons with two layers of inner plastic bags are used to ensure product integrity during transit.
What are the main applications of Quercetin?
Quercetin is widely used in health care supplements (blood pressure reduction, immune support), pharmaceutical products (cough relief, anti-asthma, heat-clearing), cosmetics (anti-inflammatory and antioxidant formulas), and animal feed additives to improve livestock performance and product quality.
How long does delivery take and what shipping methods are available?
For small orders (1–25 kg), delivery takes 3–7 days via EMS, DHL, UPS, or FedEx door-to-door. For larger shipments over 100 kg, air freight (3–7 days, door to airport) or sea freight (10–35 days, door to port) options are available.

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