Assay(HPLC) | Dihydromyricetin |
Physical | |
Appearance | Yellow-brown Powder |
Ash | ≤2.0% |
Moisture | ≤5.0% |
Pesticides | Negative |
Particle size | 100%through 80 mesh |
Heavy metals | ≤10ppm |
Pb | ≤0.5ppm |
As | ≤0.5ppm |
Hg | ≤0.2ppm |
Microbioiogical | |
Total of bacteria | ≤10000cfu/g |
Fungi | ≤1000cfu/g |