| Analysis Items | Specifications | |
| Appearance | Fine Purple-Red Powder | |
| Odor & Taste | Characteristic | |
| Particle Size | 100% through 80 Mesh | |
| Solubility | Good soluble in water | |
| Assay | NLT 10% Polyphenols | |
| Loss on Drying | NMT 5.0% | |
| Ash Content | NMT 5.0% | |
| Extract Solvents | Grain Alcohol & Water | |
| Heavy Metals | NMT 10ppm | |
| Arsenic (As) | NMT 1ppm | |
| Lead (Pb) | NMT 1ppm | |
| Cadmium (Cd) | NMT 1ppm | |
| Mercury(Hg) | NMT 0.5ppm | |