Sophora Japonica Extract (Quercetin)

Latin Name: Sophora japonica L.
Appearance:Greenish Yellow
Specification: 95% Quercetin
Used Part: Flower Bud Package: 25kgs/drum
MOQ: 25kgs
Sample: Free Sample is available
Lead time: In stock, 2nd day picking up
Certificates: NSF GMP, FSSC22000, Kosher, Halal, ISO, Organic
Product Description

Sophora Japonica Extract (Quercetin 95%) - Pharmaceutical-Grade Plant Extract

NSF GMP Certified | 2-Day U.S. Delivery | Free Sample Available

Pure quercetin (95% HPLC-verified) from Sophora Japonica Extract (Quercetin) Japanese Pagoda Tree flower buds. Our California factory produces supplements, cosmetics, and functional foods with full traceability and batch-to-batch consistency.

In Stock| MOQ: 25kg | 24-Month Shelf Life

Sophora Japonica Extract  (Quercetin)

Product Overview

Botanical Source:Sophora japonicaL. (Japanese Pagoda Tree)

Active Compound:Quercetin aglycone

Purity Standard:≥95% (HPLC)

CAS:117-39-5

Controlled hydrolysis of dried flower buds' rutin yields this extract. The quercetin aglycone is purer than mixed-source flavonoids and contains less kaempferol.

Key Advantages

✓Thermal Stability– Melting point 316°C supports compression, encapsulation, and heat processing

✓Clean Profile– Low impurity levels meet pharmaceutical-grade requirements

✓Consistent Supply– 4 U.S. warehouses with in-stock inventory

✓Certified Quality– NSF GMP, FSSC22000, Kosher, Halal, ISO, Organic

Applications

Dietary Supplements

Immune & Respiratory Health

Commonly formulated with Sophora Japonica Extract (Quercetin), Vitamin C, zinc, and bromelain for synergistic support. Suitable for:

· Veggie capsules (50-500mg per serving)

· Softgels with MCT oil for enhanced absorption

· Tablets with phytosome complexing

Bioavailability Tip:Pair with piperine or phospholipid carriers to improve oral absorption.

Cosmeceuticals

Anti-Aging & UV Defense

Antioxidant properties support:

· Collagen protection serums

· Environmental stress repair creams

· Sensitive skin calming formulas

Formulation Note:Incorporate in oil phase with antioxidant stabilizers to prevent discoloration.

Functional Foods

Natural Preservation

Replace synthetic antioxidants (BHT/BHA) in:

· Fortified beverages (heat-stable through UHT processing)

· Lipid-rich snacks (retards peroxidation)

· Cardiovascular wellness drinks

Applications and Uses

Product Specifications

Parameter Specification
Latin Name Sophora japonica L.
Active Compound 95% Quercetin (HPLC)
Appearance Greenish Yellow Fine Powder
Particle Size 20-60 Mesh
Used Part Flower Bud
Molecular Formula C15H10O7
CAS Number 117-39-5
Solubility Lipophilic, Ethanol Soluble
Package 25kg/Drum
MOQ 25kg
Sample Free Sample Available
Lead Time In Stock, 2-Day Pickup

Why Earth Made Nutritions?

Manufacturing & Quality

· California Facility:15+ years botanical extraction experience

· Advanced Equipment:Supercritical CO₂ and ethanol extraction lines

· Batch Testing:Third-party verified COAs with every shipment

· Traceability:Farm-to-bottle documentation system

Logistics & Service

· U.S. Warehouse Network:4 locations (CA, TX, NJ, IL)

· Fast Turnaround:2-day pickup for in-stock items

· Flexible MOQ:25kg minimum, scalable to multi-ton orders

· R&D Support:Formulation consulting and stability testing

Certifications (Click to Verify)

NSF GMP | FSSC22000 | Kosher | Halal | ISO 9001 | USDA Organic

Certification

Storehouse

FAQ

Q: How is Sophora japonica quercetin different from onion or other sources?

A: The reduced kaempferol concentration (<3%) of our source makes purification to 95%+ simpler and more cost-effective than mixed botanical sources.

Q: What's your custom specs lead time?

A: Standard 95% purity ships in 2 days. Custom specifications (98% purity, specified mesh size) take 3-4 weeks. Contact us for feasibility.

Q: Can I obtain samples?

A: Yes. Grab 50-100g samples for free. Include shipping address and application in email.

Q: What documents come with orders?

A: Each shipment includes:

· Certificate of Analysis (COA)

· Allergen statement

· BSE/TSE declaration

· Certification copies (upon request)

Q: How should I handle formulation challenges?

A: Our R&D team offers:

· Solubility enhancement strategies

· Stability testing protocols

· Dosage recommendations based on application

Email technical questions to our team.

Request Sample or Place Order

Do you have more questions about Sophora Japonica Extract (Quercetin)?

Email: info@em-herb.com

Standard Disclaimer (DSHEA):
These statements have not been evaluated by the Food and Drug Administration.
This product is not intended to diagnose, treat, cure, or prevent any disease.
Sample Disclaimer
The samples provided are for evaluation and testing purposes only. They are not for commercial sale, human consumption, or medical use. Recipients must conduct their own testing to verify product suitability for their intended application.
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