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

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

**Product Name:** Quercetin, **Botanical Source:** Sophora Japonica, **Appearance:** Our Quercetin is presented as a yellow powder or granules, with a slight solubility in water, making it an excellent choice for various applications, **Specification:** Available in high-quality specifications of 95% HPLC and 98% UV Quercetin, ensuring purity and efficacy for your needs, **Related Products:** We also offer related products such as Lutin at 95% and 98% with a 10:1 ratio for diverse formulations, **Shelf Life:** Our Quercetin has a shelf life of 2 years when stored away from sunlight and kept dry, ensuring long-lasting quality, **Free Sample:** As a leading supplier from China, we provide free samples of our Quercetin, allowing you to test the quality before making a purchase, As a trusted factory, we prioritize quality and customer satisfaction, making our Quercetin an ideal choice for your sourcing needs

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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

Q What is quercetin and where does it come from?

Quercetin is a naturally occurring flavonoid polyphenol found in many plants and foods, including onions, flos sophorae, apples, grapes, and citrus fruits. Our quercetin is extracted from high-quality natural plant sources and is non-GMO.

Q 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), to meet a wide range of formulation requirements.

Q What certifications are available for your quercetin products?

We can provide full documentation including COA, MSDS, ISO, FDA registration, HALAL, and KOSHER certificates upon request, ensuring global regulatory compliance.

Q What is the minimum order quantity (MOQ) and how is it packed?

We offer flexible MOQ starting from 1 kg. Small orders (1 kg) are packed in aluminum foil bags with double plastic bags inside a box. Larger orders (10 kg, 25 kg or more) are packed in drums or cartons with 2 layers of plastic bags inside.

Q How long does shipping take and what methods are available?

For 1–100 kg orders, we ship via EMS, DHL, UPS, or FedEx with a 3–7 day delivery time, door to door. For orders over 100 kg, air freight takes 3–7 days (door to airport) and sea freight takes 10–35 days (door to port).

Q What are the main applications of quercetin?

Quercetin is widely used in health care supplements (blood pressure support, immune enhancement), pharmaceuticals (cough relief, anti-asthma, detoxification), cosmetics (anti-inflammatory, antioxidant), and animal feed (improving livestock performance and meat/egg quality).

Product Detail

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

Product Description

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