Tea refers to the product that uses fresh tea leaves as raw materials, using a specific process without additives for people to drink or eat. There are various kinds of tea. After brewing, the taste of tea is pure, natural or mellow, which is deeply loved by people. However, the risk of pollutants may be caused in the whole process from planting to processing, production and storage due to the different planting environment and processing procedure of tea trees.
Test Cycle:
7 working days, urgent services are available
Product Category:
Black tea, green tea, oolong tea, white tea, scented tea, dark tea, brick tea, tea bag, etc.
Test Items:
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 |