Wholesale High Purity Natural Quercetin 95% HPLC & 98% UV from China Suppliers and Factory - Sophora Japonica Extract Manufacturer, 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 away from sunlight and keep dry.
Free SampleAvailable
,

Discover high-quality Quercetin sourced from Sophora Japonica, available as a yellow powder or granular form. Our product meets rigorous specifications, offering 95% HPLC and 98% UV purity levels. As a top-tier China Quercetin supplier and factory, we ensure that our products undergo strict quality control to meet your needs. Our Quercetin is slightly soluble in water and has a shelf life of two years when stored properly. If you're interested in our range of products, including related items like Lutin, we offer free samples for your convenience. Enhance your product line with our premium Quercetin today!

,

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, antioxidant.
  • 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
What is quercetin and where does it come from?
Quercetin is a naturally occurring flavonoid and plant polyphenol found in foods such as onions, flos sophorae, apples, grapes, and citrus fruits. It is extracted from high-quality natural plant sources and is widely studied for its biological activity in nutrition and plant extract science.
What grades of quercetin are available?
We offer two premium grades: 95% HPLC (Dihydrate, 9.0%–12.0% water content, powder form) and 98% UV (Anhydrate, ≤4.0% water content, granular form). Both grades comply with international quality standards including USP and EP.
What certifications does your quercetin product support?
Our quercetin products support a comprehensive range of certificates including COA, MSDS, ISO, FDA, HALAL, and KOSHER. All documents are available upon request to meet your regulatory and market requirements.
What are the main applications of quercetin?
Quercetin is widely used across multiple industries: in health care products for blood pressure support and immunity enhancement; in pharmaceuticals for cough relief and detoxification; in cosmetics for anti-inflammatory and antioxidant effects; and in animal feed to improve livestock production performance and product quality.
What packaging options and MOQ are available?
We offer 1 kg bags (double plastic bag + aluminum foil bag inside a box) as well as 10 kg, 25 kg, or bulk quantities packed in drums or cartons with 2 layers of plastic bag inside. Flexible MOQ is available and custom specifications are accepted.
How long does delivery take and what shipping methods are available?
For small orders (1–100 kgs), delivery takes 3–7 days via EMS, DHL, UPS, or FedEx with door-to-door service. For large orders over 100 kgs, air freight takes 3–7 days (door to airport) and sea freight takes 10–35 days (door to port).

Related Products