Kaempferol was first extracted from Kaempferia galanga, a plant of the ginger family. It is also found in broccoli, tomatoes and beans. It is a light yellow crystal, slightly soluble in water, hot ethanol and ether. As a natural flavonoid compound, it has multiple biological activities such as anti-inflammatory, antioxidant and anti-tumor. It is often used in dietary supplements and medicines.
Item | Spec. | Result | |
Assay(By HPLC) | ≥98% | 98.13% | |
Description : | |||
Appearance | Fine Power | Complies | |
Color | Yellow | Complies | |
Odor | Characteristic | Complies | |
Taste | Characteristic | Complies | |
Extract Solvents | Water and Ethanol | Complies | |
Physical &Chemical Control: | |||
Loss on Drying | ≦2.0% | 1.52% | |
Ash(Sulphated ash) | ≦2.0% | 0.78% | |
Total Heavy Metals | ≦10ppm | 0.06ppm | |
Arsenic(As) | ≦2ppm | 0.03ppm | |
Lead(Pb) | ≦2ppm | 0.038ppm | |
Mercury(Hg) | ≦1ppm | Complies | |
Cadmium (Cd) | ≦1ppm | Complies | |
Residual solvent | ≦5000ppm | Complies | |
Residual Pesticides | ≦10ppb | Complies | |
Microbiological Control : | |||
Total Plate Count | ≦1000cfu/g | Complies | |
Total Yeast & Mold | ≦100cfu/g | Complies | |
E.Coli | Negative/10g | Negative | |
Salmonella | Negative/10g | Negative |
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