Sophora flavescens extract is an alkaloid extracted from Sophora flavescens, a plant of the genus Sophora flavescens. The raw material has tough roots, thick fibrous cross-section, yellow-white. Smell and bitter.
| ANALYSIS | SPECIFICATION(10:1) | RESULTS |
| Appearance | Yellow white powder | Complies |
| Odor | Characteristic | Complies |
| Assay (HPLC) | >98% | 98.65% |
| Sieve Analysis | 100% Pass 80 Mesh | Complies |
| Loss on Drying | ≤5.0% | 3.09% |
| Ash | ≤3.0% | 1.96% |
| Heavy Metal | ||
| Pb | <2ppm | Complies |
| As | <2ppm | Complies |
| Hg | <2ppm | Complies |
| Residual Solvent | Negative | Complies |
| Microbiology | ||
| Total Plate Count | <1000cfu/g | 96cfu/g |
| Yeast & Moulds | <100cfu/g | 24cfu/g |
| E.Coli | Negative | Complies |
| Salmonella | Negative | Complies |