| English name | Kaempferol |
| Specifications | Kaempferol98% |
| Appearance | Light yellow crystal powder |
| Test method | HPLC |
| CAS NO | 520-18-3 |
| Extraction Type | Solvent Extraction |
| Molecular formula | C15H10O6 |
| Molecular Weight | 286.24 |
| Part Used | root |
| Item | Specification | Result |
| Maker Compounds | Kaempferol 98% | 98.32% |
| Appearance | Fine Powder | conforms |
| Color | White powder | conforms |
| Odor | Characteristic | conforms |
| Taste | Characteristic | conforms |
| Part Used | The whole herb | conforms |
| extract solvent | Ethanol & water | conforms |
| Drying Method | Spray drying | conforms |
| Physical Characteristics | ||
| Particle Size | NLT 100% Through 80 mesh | conforms |
| Loss on Drying | 1.0% | 0.51% |
| Bulk Density | 50-60g/100ml | 50.3g/100ml |
| Heavy metals | ||
| Total Heavy Metals | ≤10ppm | conforms |
| Arsenic | ≤2ppm | conforms |
| Lead | ≤2ppm | conforms |
| Microbiological Tests | ||
| Total Plate Count | ≤1000cfu/g | conforms |
| Total Yeast & Mold | ≤100cfu/g | conforms |
| E.Coli | Negative | Negative |
| Salmonella | Negative | Negative |