Kaempferol is a natural member of the flavonol subclass of flavonoid compounds, widely present in a variety of common fruits, vegetables and herbal materials including grapes, tomatoes, broccoli, tea leaves, and ginkgo biloba foliage.
Research findings confirm that the two flavonoids kaempferol and quercetin exhibit prominent synergistic effects when lowering the proliferation rate of cancer cells. To be specific, combined treatment using both quercetin and kaempferol delivers far stronger efficacy than the sum of effects produced by applying each individual flavonoid separately.
Basic Product Information
| Item | Details |
|---|---|
| Product Name | Quercetin Kaempferol |
| Other Alias | Kaempferol Powder |
| Available Specifications | 50%, 98% |
| Appearance | Light yellow needle-like crystal |
| Molecular Formula | C15H10O6 |
| Molecular Weight | 286.24 |
| CAS NO. | 520-18-3 |
| EINECS NO. | 208-287-6 |
| Quality Standard | Meets USP or EP requirements |
| Certifications Held | ISO, Halal, Kosher, SGS Test Report |
| Authorized Supplier | China Extract Warehouse |
| Sample Policy | Free samples are provided upon request |
Introduction of Quercetin Kaempferol
Kaempferol powder is a powerful antioxidant that works to protect human cells, lipid structures and DNA from oxidative damage. Existing research shows kaempferol can help prevent arteriosclerosis, by inhibiting the oxidation of low-density lipoprotein and blocking abnormal platelet aggregation in the bloodstream.
Key Functions of Quercetin Kaempferol
- Kaempferol has the capacity to block the activity of the NAPDH oxidase (NOX) enzyme, delivering neuroprotective effects that counteract degenerative biological processes mediated by NOX.
- Kaempferol can boost glucose uptake in lab-cultured immortal 3T3-L1 adipocyte models, indicating its potential to reduce serum glucose levels and act as a natural anti-diabetic agent. It exerts this regulatory effect by working in tandem with insulin, and shows no corresponding activity without insulin stimulation.
- Both kaempferol and quercetin are able to inhibit PPAR-activated adipogenesis triggered by rosiglitazone and other endogenous ligands, as they possess high binding affinity for the target receptor but very low potency to activate it.
- With properties similar to myricetin, kaempferol delivers antioxidant protection for in vitro cultured bone cells, and may produce measurable anti-osteoporotic health benefits.
Third-Party Test Report
| Test Category | Test Item | Specification | Actual Result |
|---|---|---|---|
| Physical & Chemical Control | Appearance | Fine Powder | Complies |
| Color | Yellow | Complies | |
| Sieve Analysis | 98% pass 80 mesh | Complies | |
| Loss on drying | ≤5.0% | 4.41% | |
| Ash | ≤5.0% | 3.82% | |
| Kaempferol Assay | 98% by HPLC | 98.12% | |
| Total Heavy Metals | ≤10ppm | Complies | |
| Cadmium(Cd) | ≤2ppm | Complies | |
| Mercury(Hg) | ≤0.1ppm | Complies | |
| Arsenic(As) | ≤2ppm | Complies | |
| Lead(Pb) | ≤1ppm | Complies | |
| Bulk Density | 45-65g/100ml | Complies | |
| Microbiology Control | Total Plate Count | ≤1000 cfu/g | Complies |
| Yeast & Mold | ≤100 cfu/g | Complies | |
| E.Coli | Negative | Complies | |
| Salmonella | Negative | Complies |
Where To Source Quercetin Kaempferol Globally?
China Extract Warehouse is a trusted supplier of high-quality nutritional active compounds, offering Quercetin Kaempferol as a core product in our full portfolio of ingredients for mineral metabolism support. We serve clients across all global regions, delivering both premium raw materials and professional technical expertise to help you develop high-performance end nutritional products.
- China Extract Warehouse has focused on the R&D and production of plant-derived active ingredients for more than 14 years, and holds multiple national invention patents.
- We hold full international certification for our quality and production management systems, including ISO9001, ISO22000, Kosher, Halal, SGS and other globally recognized qualifications.
- We operate a professional, experienced R&D team that oversees every stage of quality verification and custom technical support.
- We provide a diversified product catalog, whose offerings are already adopted by leading international brand partners in the pharmaceutical, dietary supplement, cosmetics, animal nutrition, and functional food sectors.
