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

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

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Product Name	Quercetin
Botanical Source	Sophora Japonica
Appearance	Vibrant yellow powder or granular form, with slight solubility in water.
Specification	95% by HPLC, 98% by UV for Quercetin
Related Products	Lutin 95%; 98% and extraction at 10:1
Shelf Life	2 years when stored away from sunlight and kept dry
Free Sample	Available upon request

As a leading supplier of botanical extracts in China, our Quercetin is derived from the revered Sophora Japonica. This high-quality ingredient is essential for various applications in health and wellness products. Our state-of-the-art factory ensures that each batch meets rigorous safety and quality standards, providing you with a reliable source for your formulations. With a shelf life of 2 years and the option for free samples, we invite you to experience the benefits of partnering with a trusted supplier.

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Product Description

Product Description

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.

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
More than 100 kgs	By Sea	10–35 days	Door to Port

Logistics

❓ Frequently Asked Questions (FAQ)

Q1 What are the two grades of quercetin you offer and what is the difference?

We offer two grades: 95% HPLC (Dihydrate, 9.0%–12.0% moisture) in powder form, and 98% UV (Anhydrate, ≤4.0% moisture) in granular form. The 95% HPLC grade is suitable for general supplement formulations, while the 98% UV grade offers higher purity and lower moisture content for more demanding pharmaceutical applications.

Q2 What certifications and quality documents are available for your quercetin?

We can provide a full set of quality documents including COA (Certificate of Analysis), MSDS, ISO, FDA registration, HALAL, and KOSHER certificates upon request. All batches are tested to meet international quality standards.

Q3 What is the minimum order quantity (MOQ) for quercetin?

We offer flexible MOQ to accommodate different buyer needs — from small sample orders of 1 kg up to bulk supply in drums or cartons of 25 kg or more. Please contact us to discuss your specific requirements.

Q4 What are the main applications of quercetin?

Quercetin is widely used across multiple industries: in health care products to reduce blood pressure and enhance immunity; in pharmaceuticals for relieving cough, asthma, and detoxification; in cosmetics for anti-inflammatory and antioxidant effects; and in animal feed to improve livestock performance and quality of meat and eggs.

Q5 How is quercetin packaged and shipped internationally?

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) use drums or cartons with two inner plastic bag layers. Shipping is available via EMS, DHL, UPS, FedEx for small quantities, by air freight for medium quantities, and by sea freight for orders over 100 kg, with delivery times ranging from 3–7 days (air) to 10–35 days (sea).

Q6 Is your quercetin non-GMO and safe for use in food and cosmetic products?

Yes. Our quercetin is extracted from high-quality natural plants and is non-GMO. It complies with strict safety standards for food, dietary supplement, and cosmetic applications, with heavy metal and microbial counts well within internationally accepted limits.

Product Detail

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

Product Description

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