... ]Green Tea[Used Part]Leaf[Active ingredient] Tea polyphenol[Specification] (1)Tea polyphenols>98%,Catechin>90%,EGCG 60-70%,caffein<0.5% (2)Tea polyphenols ... >95%,Catechin70-80%,EGCG 45-50%,caffein0.5-9% (3)Tea polyphenols>80%,Catechin>55 ... >70%,Catechin>50%,EGCG 25-30%,caffein1-11% (5)Tea polyphenols>30-50%,Catechin10-40%,EGCG 8-20%,caffein1-10%[ ...