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Best Sophora Japonica Extract 20% Kaempferol Supplier & Manufacturer
Welcome to the premier source for premium-quality Sophora Japonica Extract standardized to 20% Kaempferol. As a leading best Sophora Japonica Extract 20% Kaempferol supplier, we specialize in delivering high-purity, bioactive flavonoid ingredients derived from the flower buds of the Sophora japonica L. (Pagoda Tree). Our extract is a concentrated source of Kaempferol, a potent natural antioxidant with extensive applications in the dietary supplement, functional food, beverage, and cosmeceutical industries. This page details our product specifications, synergistic benefits, applications, and why we are the trusted partner for global brands seeking reliable, high-grade botanical extracts.
Premium Pagoda Tree Extract: Nature’s Potent Antioxidant
Sophora japonica extract, also known as pagoda tree extract or sophora flower bud extract, is revered in traditional and modern phytochemistry for its rich flavonoid profile. Our product is meticulously standardized to contain a minimum of 20% Kaempferol (C15H10O6), ensuring consistent potency and efficacy for your formulations. When you buy Kaempferol powder from us, you are investing in an ingredient backed by rigorous quality control, from sustainable sourcing to advanced extraction technology.
- Product Name: Sophora Japonica Extract Powder
- Active Marker: Kaempferol 20% (HPLC)
- Botanical Source: Sophora japonica L. Flower Buds
- Appearance: Fine Brownish-Yellow Powder
- Solubility: Soluble in Ethanol, Methanol; Slightly soluble in water
- Key Benefit: High-Potency Antioxidant Flavonoid Extract
- Standard Compliance: Food Grade, Kosher, Halal, ISO Certified
Download the Complete Technical Specification Sheet
Download Specification for best Sophora Japonica Extract 20% Kaempferol supplier
Specifications & Quality Standards of Our Kaempferol 20%
As a best Sophora Japonica Extract 20% Kaempferol food grade manufacturer, transparency and quality are non-negotiable. Below are the detailed specifications of our premium Sophora japonica extract.
| Parameter | Specification | Test Method |
|---|---|---|
| Product Name | Sophora Japonica Extract Powder | – |
| Latin Name | Sophora japonica L. | – |
| Used Part | Flower Bud | – |
| Assay (Active Marker) | Kaempferol 20% Min | HPLC |
| Appearance | Fine Brownish-Yellow Powder | Visual |
| Odor & Taste | Characteristic, Slightly Bitter | Organoleptic |
| Particle Size | 100% pass 80 mesh | US Sieve |
| Loss on Drying | ≤ 5.0% | Eur. Ph. |
| Ash | ≤ 5.0% | Eur. Ph. |
| Heavy Metals | ≤ 10 ppm | ICP-MS |
| Lead (Pb) | ≤ 3 ppm | ICP-MS |
| Arsenic (As) | ≤ 2 ppm | ICP-MS |
| Cadmium (Cd) | ≤ 1 ppm | ICP-MS |
| Mercury (Hg) | ≤ 0.1 ppm | ICP-MS |
| Total Plate Count | ≤ 1000 cfu/g | USP |
| Yeast & Mold | ≤ 100 cfu/g | USP |
| E. Coli | Negative | USP |
| Salmonella | Negative | USP |
| Solvents Residual | Meet Eur. Ph. / USP Requirements | GC |
Application Range & Recommended Usage
Our Sophora Japonica Extract 20% Kaempferol serves as a versatile, powerful ingredient across multiple health and wellness categories. Here’s how you can incorporate this premium natural Kaempferol source into your products.
1. Dietary Supplements
Ideal for capsules, tablets, and powdered supplement blends targeting antioxidant support, cardiovascular health, and healthy inflammatory response.
- Synergy: Pairs exceptionally well with Vitamin C and other flavonoids like EGCG from Green Tea Extract. Kaempferol, as a potent flavonoid, can enhance the absorption and bioavailability of Vitamin C, while both work together to stabilize capillaries and support the body’s natural defense systems.
- Formulation Tip: Use in antioxidant complexes or standalone heart health formulas.
2. Functional Foods & Beverages
Enhance the nutraceutical profile of health drinks, snack bars, yogurts, and fortified foods with this stable, food-grade extract.
- Adds a clean, plant-based antioxidant boost without significantly altering flavor.
- Excellent stability in various pH conditions common in beverages.
3. Cosmeceuticals & Skincare
Kaempferol is prized in skincare for its anti-aging and protective properties against environmental stressors.
- Formulate into serums, creams, and lotions for its antioxidant and potential skin-brightening effects.
- Helps protect skin cells from oxidative damage caused by UV exposure and pollution.
Certifications & Quality Assurance: Your Guarantee of Purity
Choosing a best Sophora Japonica Extract 20% Kaempferol food grade supplier means verifying their commitment to quality. Our production facility and processes meet the highest international standards.
ISO Certified
Kosher
Halal
Every batch is accompanied by a comprehensive Certificate of Analysis (CoA), ensuring the Kaempferol 20% potency and safety parameters are strictly met.
Packaging & Storage
To preserve the integrity and potency of this sensitive antioxidant flavonoid extract, we use premium packaging:
- Inner Packaging: Double-sealed food-grade polyethylene bags.
- Outer Packaging: Strong, sealed fiber drum or cardboard carton.
- Net Weight: 1 kg/bag, 10 kg/drum, or customized packaging available.
- Storage: Store in a cool, dry, and well-ventilated place away from direct light and moisture.
- Shelf Life: 24 months when stored properly in unopened, original packaging.
Frequently Asked Questions (FAQ)
The primary benefit is its high concentration of Kaempferol, a well-researched natural antioxidant. It helps combat oxidative stress, supports cardiovascular health, and promotes a healthy inflammatory response. Standardization to 20% ensures consistent, reliable bioactivity in your final products.
Yes, our Sophora japonica extract powder exhibits good stability under normal processing and storage conditions. For optimal shelf life, it should be protected from excessive heat, light, and moisture. We recommend conducting stability trials for your specific application.
Absolutely. There is strong scientific rationale for combining flavonoids. Kaempferol works synergistically with Vitamin C, potentially enhancing its absorption and biological effects. This combination creates a more powerful antioxidant network, similar to how other flavonoids like EGCG function.
We are proud to hold ISO quality management system certification, along with Kosher and Halal certifications. These credentials, available for download, validate our commitment to producing a pure, consistent, and universally acceptable food-grade ingredient.
How to Choose the Best Sophora Japonica Extract 20% Kaempferol Supplier
Selecting the right partner is crucial for your supply chain integrity and product quality. Here’s why we stand out as the best Sophora Japonica Extract 20% Kaempferol manufacturer and supplier.
1. Transparency & Documentation
A reliable supplier provides full transparency with detailed Specifications (Specs) and Certificates of Analysis (CoA) for every batch. We make all documentation readily available.
2. Standardization & Purity
Consistent Kaempferol 20% potency is non-negotiable. Our advanced HPLC testing ensures every batch meets the labeled specification for reliable formulation.
3. Certifications & Compliance
Look for ISO, Kosher, Halal, and other relevant certifications. These are your assurance of a quality-managed, food-grade supplier capable of serving global markets.
4. Technical & Formulation Support
Beyond selling pagoda tree extract, we provide application guidance, synergistic formulation ideas (e.g., with Vitamin C), and responsive customer service.
Request a Quote or Sample Today
Ready to formulate with premium Sophora Japonica Extract? As a trusted wholesale Sophora Japonica Extract 20% Kaempferol supplier, we are here to support your projects from sample testing to bulk order fulfillment.
📞 Phone: +86-27-8329 8801
📱 Email: contact@nutrition-ingredients.net
Our Partner: www.srikro.com
Let’s discuss how our high-quality Kaempferol 20% extract can enhance your next innovative product. Contact us now for competitive pricing and superior service.

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