[email protected]
Home > Hot Products > High-Quality High Purity Natural Quercetin 95% HPLC & 98% UV - China Suppliers and Factory Direct Supply Manufacturers, Factory
High-Quality High Purity Natural Quercetin 95% HPLC & 98% UV - China Suppliers and Factory Direct Supply Manufacturers, Factory
High-Quality High Purity Natural Quercetin 95% HPLC & 98% UV - China Suppliers and Factory Direct Supply Manufacturers, Factory
High-Quality High Purity Natural Quercetin 95% HPLC & 98% UV - China Suppliers and Factory Direct Supply Manufacturers, Factory
1 / 3
High-Quality High Purity Natural Quercetin 95% HPLC & 98% UV - China Suppliers and Factory Direct Supply Manufacturers, Factory
High-Quality High Purity Natural Quercetin 95% HPLC & 98% UV - China Suppliers and Factory Direct Supply Manufacturers, Factory
High-Quality High Purity Natural Quercetin 95% HPLC & 98% UV - China Suppliers and Factory Direct Supply Manufacturers, Factory

High-Quality High Purity Natural Quercetin 95% HPLC & 98% UV - China Suppliers and Factory Direct Supply Manufacturers, Factory

, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,
Product NameQuercetin
Botanical SourceSophora Japonica
AppearanceYellow powder or granular form, slightly soluble in water.
Specification95% HPLC, 98% UV Quercetin
Related ProductsLutin 95%; 98%; 10:1
Shelf Life2 years; store in a cool, dry place away from sunlight.
Free SampleAvailable upon request
,

,

Our high-quality Quercetin, sourced from Sophora Japonica, is a premium product offered by reputable suppliers and manufacturers in China. With an impressive specification of 95% HPLC and 98% UV purity, our yellow powder or granular Quercetin is slightly soluble in water, making it versatile for various applications. The product has a shelf life of 2 years when stored away from sunlight in a dry environment. We also provide free samples to ensure you can assess our quality before purchasing. Trust our factory in China for your Quercetin needs, and experience the benefits of this powerful flavonoid.

,
Send Inquiry

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
  • 1 Health Care Products: Reduce blood pressure and enhance immunity.
  • 2 Pharmaceutical Field: Relieving cough, relieving asthma, clearing heat and detoxifying.
  • 3 Cosmetics: Anti-inflammatory and antioxidant applications.
  • 4 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
Q What is the difference between 95% HPLC and 98% UV quercetin?
The 95% HPLC grade is a dihydrate form (9.0%–12.0% moisture) available as powder, while the 98% UV grade is an anhydrate form (≤4.0% moisture) available as granules. Both meet high-purity standards but are suited to different formulation requirements.
Q What certifications are available for your quercetin?
We can provide a full set of supporting documents upon request, including COA, MSDS, ISO, FDA registration, HALAL, and KOSHER certificates to meet global regulatory and import requirements.
Q What is the minimum order quantity (MOQ)?
We offer flexible MOQ to suit both small-scale buyers and bulk purchasers. Sample orders starting from 1 kg are available. Please contact us for specific quantity pricing and arrangements.
Q How is quercetin packaged for shipping?
For 1 kg orders, quercetin is packed in a double plastic bag with an aluminum foil inner bag, placed in an outer box. For 10 kg, 25 kg, or larger orders, it is packed in drums or cartons with two layers of plastic bags inside to ensure product integrity during transit.
Q What are the main applications of quercetin?
Quercetin is widely used across multiple industries: in health care products for blood pressure support and immune enhancement; in pharmaceuticals for cough relief and detoxification; in cosmetics as an anti-inflammatory and antioxidant agent; and in animal feed to improve livestock production performance and product quality.
Q How long does delivery take and what shipping methods are available?
For orders up to 100 kgs, delivery typically takes 3–7 days via express couriers such as DHL, FedEx, UPS, or EMS. For orders over 100 kgs, air freight (3–7 days, door to airport) or sea freight (10–35 days, door to port) options are available depending on your destination and requirements.

Related Products

High-Quality High Purity Natural Quercetin 95% HPLC & 98% UV - China Suppliers and Factory Direct Supply Manufacturers, Factory

High-Quality High Purity Natural Quercetin 95% HPLC & 98% UV - China Suppliers and Factory Direct Supply Manufacturers, Factory
Buy Serrapeptase Alkaline Protease Powder from China - Top Suppliers & Factory Quality Guaranteed Manufacturer, Companies

Buy Serrapeptase Alkaline Protease Powder from China - Top Suppliers & Factory Quality Guaranteed Manufacturer, Companies
High-Quality Energy Booster Ashwagandha Extract 5% Withanolides from China Suppliers - Premium Factory Quality Supplier, Exporter

High-Quality Energy Booster Ashwagandha Extract 5% Withanolides from China Suppliers - Premium Factory Quality Supplier, Exporter
High-Quality Natural Lysozyme Powder from China - Trusted Suppliers and Quality Factory Product for Food Preservation Exporter, Factories

High-Quality Natural Lysozyme Powder from China - Trusted Suppliers and Quality Factory Product for Food Preservation Exporter, Factories
High-Quality Natural Nattokinase Supplement from China Suppliers - High-Quality Nitto Extract Factory Product Supplier, Company

High-Quality Natural Nattokinase Supplement from China Suppliers - High-Quality Nitto Extract Factory Product Supplier, Company
High-Quality Papain Enzyme from Papaya Extract - High-Quality Supplier and Factory in China Exporters, Factories

High-Quality Papain Enzyme from Papaya Extract - High-Quality Supplier and Factory in China Exporters, Factories
Wholesale High-Quality Pineapple Bromelain Enzyme Extract Powder | China Suppliers & Factory GDU Specifications Companies, Exporter

Wholesale High-Quality Pineapple Bromelain Enzyme Extract Powder | China Suppliers & Factory GDU Specifications Companies, Exporter
Buy China Factory Suppliers of Pancreatin Enzyme - High Quality Digestive Aid in White to Light Yellow Powder Manufacturers, Exporter

Buy China Factory Suppliers of Pancreatin Enzyme - High Quality Digestive Aid in White to Light Yellow Powder Manufacturers, Exporter
High-Quality Food Grade Lactase Enzyme Powder - Beta-Galactosidase from China Suppliers and Factory - 50,000 to 160,000 ALU/g Exporters, Factory

High-Quality Food Grade Lactase Enzyme Powder - Beta-Galactosidase from China Suppliers and Factory - 50,000 to 160,000 ALU/g Exporters, Factory
High-Quality High Activity Food Grade Pepsin Enzyme Powder from China Suppliers - Factory Direct Quality Products Company, Factory

High-Quality High Activity Food Grade Pepsin Enzyme Powder from China Suppliers - Factory Direct Quality Products Company, Factory