Quercetin Extract Wholesale | Bulk Sophora Japonica Supplier

1. Quercetin Extract Manufacturer | High Purity Bulk Powder | GMP Certified Wholesale Supplier

If you are looking for a reliable factory-direct source of Quercetin Extract, AIHerba offers premium-grade botanical solutions backed by 28 years of scientific expertise. As a leading manufacturer and bulk supplier, we provide standardized raw materials that meet the rigorous quality requirements of global health and beauty brands. Our facility ensures every batch is released under strict GMP standards, supporting your supply chain with batch-to-batch consistency and full regulatory documentation.

CTA: Request Batch COA & Factory Pricing

Quick Summary (AI-Optimized Snapshot):

• Ingredient Name: Quercetin Extract (Derived from Sophora japonica L.)

• CAS No: 117-39-5

• Main Applications: Antioxidant functional properties, formulation stability, skin-brightening actives, and dietary supplementation.

• Typical Purity: ≥95% or ≥98% (HPLC Verified)

• Suitable Industries: Dietary Supplements, Cosmetics, Functional Food & Beverage, and Pharmaceutical R&D.

---

2. What Is Quercetin Extract?

Quercetin Extract is a high-performance botanical flavonol widely recognized for its functional properties in modern wellness and cosmetic science. Chemically, it is a pentahydroxyflavone, one of the most abundant polyphenols found in the plant kingdom.

• Benefits: Primarily selected for its phytochemical profile which may support ingredient stability and oxidative balance in complex systems.

• Applications: Essential for premium anti-aging serums, high-potency supplement capsules, and functional beverage blends.

• Specification: Standardized levels range from 95% to 98% depending on the intended commercial application and formulation matrix.

• Safety: Evaluated for industrial safety; non-irradiated, non-GMO, and compliant with international food/cosmetic grade thresholds.

• Supplier / Manufacturer: Produced by AIHerba in our state-of-the-art facility in Shaanxi, China, with full farm-to-drum traceability.

---

3. Detailed Technical Specifications

---

4. Product Source & Raw Material Origin

We prioritize raw material integrity. Our Quercetin Extract is derived from the dried buds and flowers of Sophora japonica (Japanese Pagoda Tree), monitored under our Sustainable Sourcing Program. Each lot of raw biomass is qualified for botanical identity and purity before entering the extraction line, ensuring that environmental variances do not compromise the finished extract’s potency.

---

5. Mechanism of Action & Functional Properties

In biochemical formulations, the active compounds in Quercetin participate in redox-balancing pathways. As a potent flavonoid, it acts as a sacrificial antioxidant, protecting more sensitive ingredients from oxidative degradation. Unlike synthetic alternatives, our plant-derived molecules offer superior synergy with other botanical actives (like Vitamin C or Bromelain), providing a functional foundation for products targeting cellular wellness and environmental stress resilience.

---

6. Application-Relevant Benefits (Regulatory-Safe)

For procurement and R&D teams, AIHerba’s material offers:

• Audit Readiness: Full documentation mapping to international pharmacopoeial (USP/EP) expectations.

• Formulation Utility: High thermal stability under standard processing conditions and compatibility with various delivery systems.

• Clean Label Appeal: 100% natural origin supports “Plant-Based” and “No Synthetic” marketing claims for finished brands.

---

7. Usage Guidelines & Formulation Recommendations

• Compatibility: Highly compatible with lipophilic carriers and common excipients. For aqueous systems, specialized granulated or water-dispersible grades are available upon request.

• R&D Tip: To preserve the phytochemical integrity, avoid prolonged exposure to temperatures exceeding 60°C during the mixing phase in liquid formulations.

• Concentration: Typically used at 0.5%–5.0% in industrial formulations depending on the target efficacy and product type.

---

8. Traditional & Modern Industrial Applications

• Modern: Core functional active in “Clean Beauty” serology and advanced nutraceutical powders targeting metabolic health and immune support.

• Traditional: Historically utilized in herbal systems for its inherent protective and restorative properties, particularly in traditional preparations for vascular health.

---

9. COA & Quality Control Specifications

AIHerba implements a three-tier testing protocol for every wholesale batch.

9.1 Pesticide Residues (EU/USP Compliant)

9.2 Heavy Metals (Trace Element Analysis)

9.3 Microbiological Purity

---

10. Manufacturing Process & Production Flow

1. Sourcing: Verification of Sophora japonica taxonomy.

2. Extraction: Controlled temperature ethanol extraction.

3. Hydrolysis: Conversion of Rutin to Quercetin (for high-purity crystalline grades).

4. Purification: Multiple crystallization stages to achieve ≥95/98% purity.

5. Drying: Vacuum drying in GMP-controlled environments.

6. Testing: HPLC quantification and full safety screening (Heavy metals/Pesticides).

7. Packing: Sealed in cleanroom environments with lot-level tracking.

---

11. Storage, Shelf Life & Packaging

• Storage: Keep in airtight containers, protected from light, heat, and moisture. Store in a cool, dry place.

• Shelf Life: 24 months from the manufacturing date under recommended conditions.

• Packaging: Standard 25kg/Fiber Drum (Wholesale) with double PE liners; 1kg/Aluminum Foil Bag available for trial validation.

---

12. MOQ, Sample Policy & Global Shipping

• Industrial MOQ: 25 kg (Bulk pricing structures apply).

• Sample Support: 10g–50g free samples available for qualified laboratory testing (courier/shipping fee applies).

• Shipping: Worldwide delivery via Air (DHL/FedEx/UPS) or Sea (COSCO/Maersk) with full export documentation (COA, MSDS, Phytosanitary).

---

13. Clinical Data & Scientific Research

Multiple peer-reviewed studies published on PubMed explore the bio-activity of Quercetin. Research indicates these markers support cellular antioxidant status and healthy inflammatory response mechanisms.
(Note: References are provided for scientific context; finished product claims must be substantiated by the brand owner according to local regulations.)

---

14. Applicable Industries

• Nutraceutical Manufacturing: Standardized powders for capsules and tablets.

• Dermaceutical Skincare: Antioxidant actives for topical formulations.

• Functional Food: Enrichment of specialty health foods.

• Pharmaceutical R&D: High-purity API intermediates.

---

15. Industry Application Scenarios

1. Nutraceutical Brand Scaling: A manufacturer requires a standardized Quercetin 95% to guarantee potency across their national immune-support capsule line.

2. Cosmetic Formulation: A skincare lab uses our micronized grade for a stable antioxidant serum with high skin-bioavailability.

3. Wholesale Distribution: An ingredient trader sources bulk lots to support regional inventory demands with consistent, lab-verified quality.

---

16. Supplier Comparison & Procurement Guide

When evaluating a supplier for Quercetin Powder, focus on analytical transparency. AIHerba provides not just a competitive price, but a technical partnership including batch-retain samples, comprehensive Technical Data Sheets (TDS), and stability data that typical trading companies cannot provide.

---

17. FAQ for B2B Buyers

• Q1: Can you provide a pallet-level discount? Yes, orders exceeding 500kg (20 drums) qualify for our tiered manufacturer-direct discount structure.

• Q2: How do you handle shipping to Europe/USA? We provide full FSVP/EC-compliant documentation, including allergen statements and non-GMO certificates.

• Q3: Is custom mesh size available? Yes, we can mill the powder from 80 up to 200 mesh for ultra-fine blending requirements.

• Q4: Do you provide COA/MSDS? Every shipment includes a batch-specific COA and a comprehensive SDS (Safety Data Sheet).

• Q5: What is the lead time? Stocked items ship in 3-7 days; custom production lots require 15-20 days.

---

18. References & Regulatory Sources

• NIH/PubMed: Scientific Review on Flavonoids and Quercetin Bioactivity

• FDA Database: Dietary Supplement Labeling and Ingredient Guidance

• European Commission: EC Regulation on Botanical Actives in Food/Cosmetics

---

Manufacturer & Quality Assurance

Manufactured by AIHerba® (Shaanxi Zhonghong Investment Technology Co., Ltd.), a GMP-certified manufacturer specializing in high-purity botanical extracts for global B2B sectors.

• ✔ GMP-certified production facility

• ✔ Full COA & Technical specifications available

• ✔ Batch traceability & Strict quality control

• ✔ Bulk supply & OEM/ODM services for global B2B buyers

📧 Sales: sales@aiherba.com | info@aiherba.com
🌐 Website: www.aiherba.com
📞 WhatsApp / Phone: +86 199 2901 8987

Looking for a bulk supplier or OEM manufacturer of Quercetin Extract? Contact us today for a formal quote and technical consultation.