Sophora Japonica Extract Quercetin
What is Sophora Japonica Extract Quercetin?
Sophora Japonica Extract Quercetin is a natural flavonoid ingredient extracted from the flower buds of Sophora japonica L. It is standardized to high-purity quercetin content for dietary supplement and functional nutrition applications.
With strong antioxidant properties and natural flavonoid characteristics, Quercetin Extract is widely used in immune health products, antioxidant formulas, and plant-based nutritional supplements.
Available grades include Quercetin 95%, Quercetin 98%, and anhydrous quercetin specifications, providing flexibility for capsule, tablet, and powder supplement formulations.
We provide bulk supply, customized specifications, samples, and technical documentation including COA, TDS, and MSDS/SDS for global dietary supplement ingredient buyers.
Technical Specifications
| Test Item | Specification | Test Method (MOA) |
|---|---|---|
| Quercetin | 95%-98% | HPLC |
| Appearance | Yellow Fine Powder | Visual |
| Source Material | Sophora japonica Flower Bud | Identification |
Common Applications
Typical applications and industries for this botanical ingredient:
Frequently Asked Questions
What is Quercetin Extract used for?
Quercetin Extract is commonly used in dietary supplements, antioxidant formulas, immune health products, and functional nutrition formulations.
What purity grades of Quercetin are available?
We provide Quercetin Extract with standardized purity levels including 95% and 98% tested by HPLC.
What is the botanical source of Quercetin?
Our Quercetin is extracted from the flower buds of Sophora japonica L.
Can you provide COA, TDS, and MSDS documents?
Yes. We provide COA, TDS, and MSDS/SDS documents according to the selected product specification and buyer requirements.
What is the MOQ for botanical extracts and can you provide samples before bulk orders?
The MOQ depends on the product specification and order requirements. Standard commercial packages are usually available from 25 kg/drum, we can also accept tiral orders.Samples can be arranged for qualified B2B inquiries to support product evaluation before commercial orders