| Analysis Items | Specifications | |
| Appearance | Fine dark reddish brown powder | |
| Odor & Taste | Characteristic | |
| Bulk Density | 40-55g/100ml | |
| Particle Size | 98% through 80 Mesh | |
| Solubility | Good solubility in water | |
| Assay | NLT Polyphenols 70% | |
| NLT Theaflavins 40% | ||
| NMT Caffei ne 1% | ||
| Loss on Drying | NMT 5.0% | |
| Ash Content | NMT 2.0% | |
| Extract Solvents | Ethanol & Water | |
| Solvent Residues | NMT 0.05% | |