Yuzhu, (scientific name: Polygonatum odoratum (Mill.) Druce ) is a perennial herb of the lily family . The rhizomes are transverse, fleshy yellow-white, and densely rooted. The leaves are green and gray below. Flowers axillary, usually 1-3 clusters. It is native to southwest China, but it is widely ......
Certificate of Analysis
| Analysis | Specification |
| Assay | 3:1 |
| Apperance | yellow fine powder |
| Odor | Characteristic |
| Taste | Characteristic |
| Particle Szie | 100% through 80 mesh |
| Loss on drying | ≤5% |
| Ash | ≤5% |
| Heavy metal | ≤10ppm |
| Extract Solvent | Water |
| Pb | ≤1.5ppm |
| As | ≤1.0ppm |
| Hg | Negative |
| Total bacteria count | ≤1000cfu/g |
| Fungi | ≤100cfu/g |
| Samonella | Negative |
| E. Coli | Negative |
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