Specification :

Green Tea Extract
Latin name: Gamellia sinensis O.Ktze
Active Ingredient: Tea Polyphenol; EGCG ; catechins ; caffeine ; Theaflavin
Tea Polyphenol
CAS÷ : 84650-60-2
EGCG:
CAS÷ : 989-51-5
Molecular formula: C22H18O11
Molecular Weight: 458.3717
Catechins
CAS÷ : 7295-85-4
Molecular formula: C15H14O6• H2O
Molecular Weight: 308.28
Theaflavin
CAS÷ : 4670-05-7
Molecular formula: C29H24O12
Molecular Weight: 516.5
Plant part used: Leaf
Appearance: Light yellow to yellow-brown or light green powder
Test Method: HPLC/ UV
Specification: 20% , 30% , 40% , 50% , 60% , 70% , 95% ;