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High-Quality High Purity Quercetin 95% HPLC 98% UV - Natural Extract from China Supplier & Factory Supplier, Company
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High-Quality High Purity Quercetin 95% HPLC 98% UV - Natural Extract from China Supplier & Factory Supplier, Company
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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 granular form, slightly soluble in water.
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Specification
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95% HPLC, 98% UV Quercetin
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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 in a dry place.
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Free Sample
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Available upon request
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As a leading supplier and factory of Quercetin in China, we are committed to providing high-quality herbal extracts. Our Quercetin, derived from Sophora Japonica, is available in a yellow powder or granular form, offering a purity of 95% HPLC and 98% UV. With a shelf life of 2 years when properly stored, our product is ideal for various applications. Contact us today to request a free sample and experience the quality that our China-based factory has to offer.
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 (FAQ)
Q
What is quercetin and where does it come from?
Quercetin is a naturally occurring flavonoid and plant polyphenol found in onions, flos sophorae, apples, grapes, citrus fruits, and many traditional herbs. It is extracted from these high-quality natural plant sources and is non-GMO.
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What grades of quercetin do you offer?
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), suitable for different formulation requirements.
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What certifications and documents are available?
We can provide a full set of supporting documents upon request, including COA (Certificate of Analysis), MSDS, ISO, FDA, HALAL, and KOSHER certifications, to support global import and regulatory compliance.
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What are the main applications of quercetin?
Quercetin is widely used in health care products (blood pressure reduction, immune support), pharmaceuticals (cough relief, heat-clearing), cosmetics (anti-inflammatory, antioxidant), and animal feed additives (improving livestock performance and product quality).
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What is the minimum order quantity (MOQ) and how is the product packaged?
We offer flexible MOQ to suit both small and large buyers. Small orders (1 kg) are packed in double plastic bags with an aluminum foil bag inside, placed in an outer box. Larger orders (10 kg, 25 kg or more) are packed in drums or cartons with two layers of plastic bags inside.
Q
What shipping methods are available and how long does delivery take?
We support multiple shipping options: EMS, DHL, UPS, and FedEx for orders up to 25 kg (3–7 days, door to door); air freight for 25–100 kg orders (3–7 days); and sea freight for orders over 100 kg (10–35 days, door to port). We ship worldwide and can advise on the best option for your location.
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