| Item | Standard | Results | Test method |
| Assay | 95% | Complies | HPLC |
| Part used | Root | Complies | Visual |
| Odor & Taste | Characteristic | Characteristic | Organoleptic |
| Appearance | Yellow powder | Complies | Visual |
| Mesh size | 100% pass 80 mesh | Complies | 80 Mesh Screen |
| Bulk Density | 40-60g/100ml | 49.5g/100ml | / |
| Loss on drying | 5.0% Max | 3.32% | 5g/105℃/2hrs |
| Ash | 5.0% Max | 2.90% | 2g/525℃/3hrs |
| Heavy Metal | 10ppm | Complies | AAS |
| Pb | 2ppm | Complies | AAS |
| As | 2ppm | Complies | AAS |
| Microbiological | |||
| Total plate count | 1000cfu/g Max | Complies | AOAC |
| Yeast & Mold | 100cfu/g Max | Complies | AOAC |
| E.Coli | Negative | Negative | AOAC |
| Salmonella | Negative | Negative | AOAC |
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