Green tea extract and black tea extract standards GB/T 31740.1

 Examination Items

 Examination Standards

Green tea extract Black tea extract
Total Tea Polyphenols ≥ 20 15
Catechins  ≥ 10
Total Theaflavins ≥ Hot-water Soluble 0.3
Cold-water Soluble
Caffeine ≤ 15
Moisture Content ≤ 6.0
 Ash ≤ Hot-water Soluble 15 20
Cold-water Soluble 20 35
Online Service
Live Chat