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Buy High Purity Quercetin 95% HPLC UV 98% - Natural Extract from China Suppliers & Factory Exporters, Factory
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Buy High Purity Quercetin 95% HPLC UV 98% - Natural Extract from China Suppliers & Factory Exporters, Factory
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Product Name
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Quercetin
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Botanical Source
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Sophora Japonica
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Appearance
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Yellow powder or granules, slightly soluble in water.
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Specification
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Quercetin 95% (HPLC), 98% (UV)
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Related Products
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Lutin 95%; 98% 10:1
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Shelf Life
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2 years; store away from sunlight and keep dry.
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Free Sample
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Available
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Discover high-quality Quercetin sourced from the renowned Sophora Japonica, a trusted botanical known for its health benefits. Our Quercetin is available in a vibrant yellow powder or granular form, ensuring ease of use in various applications. As a leading factory and suppliers in China, we guarantee a purity specification of 95% (HPLC) and 98% (UV), meeting the highest industry standards. Enjoy a shelf life of 2 years when stored properly and request your free sample today to experience the quality of our products firsthand.
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.
1Health Care Products: Reduce blood pressure and enhance immunity.
2Pharmaceutical Field: Relieving cough, relieving asthma, clearing heat and detoxifying.
3Cosmetics: Anti-inflammatory, antioxidant.
4Feed Addition: Improve the production performance of livestock and poultry, improve the quality of meat and eggs.
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)
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
Frequently Asked Questions
What are the two grades of quercetin you offer, and what is the difference?
We offer 95% HPLC Quercetin (Dihydrate, 9.0%–12.0% water content, powder form) and 98% UV Quercetin (Anhydrate, ≤4.0% water content, granular form). The 95% HPLC grade is commonly used for standard dietary supplements, while the 98% UV grade offers higher purity and is suitable for premium formulations and pharmaceutical applications.
What certifications and documents are available for your quercetin products?
We can provide a full set of documentation upon request, including Certificate of Analysis (COA), Material Safety Data Sheet (MSDS), ISO, FDA, HALAL, and KOSHER certificates. Please contact us to specify which documents you require.
What is the minimum order quantity (MOQ) for quercetin?
We offer flexible MOQ to accommodate different customer needs — starting from 1 kg for sample and trial orders, up to bulk quantities of 25 kg drums or larger. Please contact us for a customized quote based on your specific requirements.
How is the quercetin packaged and stored?
For 1 kg orders, the product is packed in a double plastic bag with an inner aluminum foil bag, placed inside a box. For 10 kg, 25 kg, or larger quantities, it is packed in drums or cartons with 2 layers of inner plastic bags. It should be stored in a cool, dry, and well-ventilated area away from direct sunlight.
What are the main applications of quercetin?
Quercetin is widely used across multiple industries: in health care products to help reduce blood pressure and boost immunity; in the pharmaceutical field for relieving cough, asthma, and detoxification; in cosmetics for its anti-inflammatory and antioxidant properties; and in animal feed to improve livestock performance and enhance meat and egg quality.
How long does delivery take and what shipping methods are available?
For small orders (1–100 kg), delivery via EMS, DHL, UPS, or FedEx typically takes 3–7 days door to door. For orders over 100 kg, air freight takes 3–7 days to the destination airport, while sea freight takes 10–35 days to the destination port. We work with reliable logistics partners to ensure timely and safe delivery worldwide.
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