Organic Quercetin Powder is one of the most popular flavonoid ingredients widely recognized in the nutraceutical and functional food industries. Derived from natural plant sources such as Sophora japonica flower buds, quercetin is valued for its strong antioxidant activity and versatile applications. Our quercetin is carefully processed to ensure stable purity, clean appearance, and reliable quality standards.
As a professional supplier, we provide pure quercetin powder and quercetin powder bulk to meet the diverse needs of supplement brands, contract manufacturers, and research companies. Whether you are looking for small trial quantities or large-scale production, our team guarantees consistent quality and competitive pricing.
Our organic quercetin powder is presented as a fine yellow crystalline powder with a characteristic taste and odor. The purity level is standardized at 95% or 98% offering dependable performance across different formulations. Although insoluble in water, it dissolves well in alkaline solutions, which makes it suitable for multiple product types. Packaging is flexible, ranging from 1kg aluminum foil bags to 25kg fiber drums, and customized packing can also be arranged. With proper storage in a cool and dry environment, the shelf life of our quercetin powder can extend up to two years, ensuring long-term usability for manufacturers.
Products Description
|
TEST ITEM |
SPECIFICATION |
|
Assay(on dry basis) |
≥95.0%(HPLC) |
|
|
≥98.0%(UV) |
|
Appearance |
Yellow crystalline powder |
|
Solubility |
Practically insoluble in water Soluble in aqueous alkaline sol. |
|
Identification |
Must positive |
|
Particle Size |
≥95% pass 80mesh |
|
Loss on drying |
9.0%~12.0% |
|
Ash |
≤0.5% |
|
Melting point |
305~315℃ |
|
Heavy metals |
≤10ppm |
|
Lead(Pb) |
≤3.0ppm |
|
Arsenic(As) |
≤1.0ppm |
|
Cadmium(Cd) |
≤1.0ppm |
|
Mercury(Hg) |
≤0.1ppm |
|
Total Plate Count |
≤1000cfu/g |
|
Yeast & Mold |
≤100cfu/g |
|
E.Coli |
Negative |
|
Salmonella |
Negative |
Choosing the right supplier for quercetin powder bulk is essential for maintaining product consistency and market competitiveness.Organic quercetin powder is found in a variety of foods. Vegetables include onions, broccoli, asparagus, green onions, green peppers, tomatoes and lettuce. Fruits include apples, strawberries, grapes, blueberries, cranberries and blackcurrants.
Quercetin is also found in medicinal plants, including ginkgo, Hypericum perforatum and ginseng, as well as many seeds, nuts, flowers, bark and leaves. Green tea and wine are also considered as rich dietary sources.
Application Fields
The versatility of organic quercetin powder makes it suitable for a wide range of industries. In the dietary supplement sector, it is commonly formulated into capsules, tablets, or blended with other ingredients in powder mixes. In functional foods and beverages, quercetin is used to enrich products with plant-based antioxidant properties while meeting consumer demand for natural ingredients.
The cosmetic and personal care industry has also shown increasing interest in quercetin as a botanical raw material. Its antioxidant profile makes it a valuable component in skincare, beauty, and anti-aging product formulations. Additionally, quercetin powder bulk is applied in animal nutrition as a plant-based additive, highlighting its adaptability across industries. With such broad applications, quercetin has become a preferred choice for companies developing innovative products in the global market.
Natural Field is an organic quercetin powder manufacturer and supplier and we have nearly 20 years of experience in the natural ingredients industry. We offer the best quercetin powder at wholesale price. And its quercetin powder has been lab-tested and verified for both product purity and identity.We can provide efficient and convenient delivery methods for the products that customers need, you can rest assured of product quality problems during transportation.
Our products have the following certifications : ISO, HACCP, KOSHER, HALAL. What's more, we provide quercetin powder in bulk order or wholesale according to your need. We have professional business staff to communicate with you about your product needs and understanding.
If you are interested in our products, please feel free to submit your requirement in the bottom form or leave a message via Email info@natural-field.com, we are of service at any time! we will reply as soon as we see it.
