Sample: Available
Appearance: Yellow powder
Delivery: within 3 days after payment
Certifications: ISO, HACCP, HALAL, KOSHER
Foil bag: 1-10kg; Drum: 20,25kg
- Product Description
High-Purity Kaempferol Powder - Professional Botanical Extract Supplier
Xi'an Linnas Biotech Co., Ltd. manufactures pharmaceutical-grade Kaempferol Powder derived from Sophora japonica (Japanese Pagoda Tree) using ISO 9001 approved procedures, with 98% purity confirmed by HPLC. Through regulated extraction procedures that remove interfering contaminants like waxes and tannins, our vivid yellow crystalline powder resolves the bioavailability-efficacy conundrum in nutraceutical compositions. Every production batch is subjected to stringent quality control utilizing automated analytical equipment, guaranteeing thermal stability up to 276–278°C and molecular consistency (C15H10O6, MW 286.24 g/mol). With extensive certifications including ISO, HACCP, HALAL, and KOSHER, our manufacturing facility provides batch-to-batch stability for pharmaceutical and cosmetic applications worldwide. After payment confirmation, we deliver full orders within 72 hours and provide samples within 3 days.
Technical Specifications & Quality Parameters
|
Parameter |
Specification |
|
Active Ingredient |
Kaempferol (3,5,7,4'-Tetrahydroxyflavone) |
|
Purity Assay |
≥98% (HPLC) |
|
Molecular Formula |
C15H10O6 |
|
Molecular Weight |
286.24 g/mol |
|
Appearance |
Fine yellow crystalline powder |
|
Melting Point |
276-278°C |
|
Solubility |
Soluble in hot ethanol, DMSO; insoluble in water |
|
Sample Availability |
Available within 3 days |
|
Lead Time |
3 days after payment |
|
Certifications |
ISO 9001, HACCP, HALAL, KOSHER |

Why Choose Our Kaempferol Extract Solution
Pharmaceutical-Grade Purity Requirements
Our Kaempferol Powder uses sophisticated chromatographic isolation methods to attain over 98% purity. Quercetin and isorhamnetin contaminants that jeopardize formulation stability are removed by this pharmaceutical-grade concentration.
Every production batch provides you with consistent bioactive performance. In accordance with international pharmacopeia requirements, our quality assurance procedures check for solvent residues, microbiological contaminants, and heavy metals.
Enhanced for Flexibility in Formulation
In lipid-based delivery systems, the tiny crystalline structure improves dispersibility. Our extract is easily incorporated into hydrophobic phytochemical complexes, liposomal preparations, and nano-emulsions.
Our scientific staff offers advice on solubility optimization for research-grade reagents, dietary supplements, and cosmetic serums. Up to 270°C, hot-process manufacturing is supported by the powder's thermal stability..
Reliable International Supply Chain
In order to complete urgent requests in three days, we maintain strategic inventory levels. With our extensive certification portfolio that includes markets in Europe, North America, and the Middle East, your purchase benefits from expedited customs clearance.
Our ability to supply consistently is demonstrated by our long-term collaborations with global brands. We provide adaptable packaging to suit your production scale, ranging from 1 kg foil packets to 25 kg drums.

Core Applications in Health & Wellness Industries
Formulations for Nutraceuticals
Kaempferol's proven ability to scavenge free radicals gives your supplement formulations strong antioxidant protection. It supports metabolic health products by modifying cellular signaling pathways such as NF-κB and AKT.
The substance is useful for bone health supplements that target osteoblast development because of its osteogenic qualities. Clinical research models have the potential to stop the loss of bone density.
Active Ingredient in Cosmetics
Use this flavonol in anti-aging skincare products that target cellular damage brought on by oxidative stress. The lifetime of skin cells is protected by its polyphenol structure.
You can create high-end cosmetics with natural botanical ingredients that have been shown to have antioxidant properties. The plant-derived composition of the component is consistent with clean beauty positioning.
Research & Development Material
Our high-purity extract is used by research institutions for pharmacological investigations on the regulation of inflammatory responses. Repeatable experimental outcomes are guarantyd by the uniform composition.
Stability data and comprehensive Certificate of Analysis documentation supporting funding applications and peer-reviewed publications are beneficial to your laboratory.
Manufacturing Excellence & Quality Assurance
Cutting-Edge Extraction Technology
Our manufacturing facility uses a multi-stage purification process that combines crystallization, column chromatography, and solvent extraction. Throughout processing, automated devices keep an eye on pH, pressure, and temperature.
The product you receive is produced in a controlled atmosphere to avoid deterioration. Bioactive integrity is maintained from extraction to packaging using light-sensitive handling procedures.
Extensive Testing Procedures
Each batch is subjected to an eight-point quality verification process that includes microbiological screening, residual solvent testing, and HPLC purity analysis. From the raw botanical material to the final powder, we ensure complete traceability.
Detailed analytical data detailing aflatoxin levels, pesticide residues, and heavy metal concentrations are sent to your quality assurance team. Every quarter, our testing apparatus is calibrated in accordance with global reference standards.
A Manufacturing Environment with Certification
Our methodical approach to quality control throughout the entire production process is demonstrated by our ISO 9001 certification. Physical, chemical, and biological risks are recognized and managed using HACCP procedures.
Manufacturer credentials that are accepted by international regulatory bodies are advantageous to you. Your market access to niche consumer segments is increased by our HALAL and KOSHER certifications.

Packaging & Storage Solutions
Design of Protective Packaging
For orders weighing one to ten kilograms, we use pharmaceutical-grade aluminum foil bags with nitrogen flushing. The multi-layer barrier resists oxidative deterioration and moisture intrusion.
Larger amounts are shipped in fiber drums with desiccant packets and a multilayer polyethylene lining. Each container is vacuum-sealed and tagged with the manufacturing date, batch number, and storage guidelines.
Optimization of Stability
The powder should be kept dry, cool, and out of direct sunlight. When stored below 25°C, properly sealed containers retain potency for 24 months.
Our thorough stability tests that show deterioration rates under different environmental conditions are beneficial to your inventory management. Based on the packing format, we suggest retest dates.

Frequently Asked Questions
Q: What distinguishes your kaempferol from conventional flavonoid extracts?
A: Standard extracts contain mixed flavonoids, whereas our product reaches 98% single-compound purity through specialist isolation. This concentration removes co-extracted component interference in formulation development and offers predictable dosing.
Q: Is it possible for you to accommodate unique requirements for research projects?
A: Custom purification levels, particle size adjustments, and different package styles are all included in our OEM services. For custom batches, our technical staff works together to develop specifications that satisfy your experimental design requirements in two to three weeks.
Q: How do you make sure that all foreign shipments are of the same quality?
A: Regardless of destination, every production batch goes through the same testing procedures. We employ verified delivery partners with competence in pharmaceutical transportation and maintain climate-controlled storage. Stability paperwork and a Certificate of Analysis are included with every shipment.
Q: Is the extract OK for formulations that are vegan or sensitive to allergens?
A: There are no processing aids produced from animals; the powder is entirely plant-based. Testing verifies the absence of common allergens, and our facility upholds allergy control procedures. It is eligible for product labeling that is vegan, vegetarian, and allergy-free.
Partner with a Trusted Botanical Extract Manufacturer
Ready to source pharmaceutical-grade Kaempferol Powder for your formulation needs? Contact our team at cathy@linnas.com.cn to request samples, discuss technical specifications, or place your order today.









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