Category | Item |
Sense | Sensory quality |
Physical index | Powder, fannings, tea stalks, non-tea inclusions and net content |
Chemical index | Moisture, aqueous extracts, total ash, water-soluble ash, alkalinity of water-soluble ash, water-insoluble ash, acid-insoluble ash, content of dry matter, crude fiber, free amino acid, caffeine, tea polyphenol, fluorine content |
Heavy metal pollutant | Lead, arsenic, copper, chromium, cadmium, mercury, tin |