... ingredient] Tea polyphenol[Specification] (1)Tea polyphenols>98%,Catechin>90%,EGCG 60-70%,caffein<0.5% (2)Tea polyphenols>95%,Catechin70 ... % (3)Tea polyphenols>80%,Catechin>55%,EGCG >35%,caffein1-10% (4)Tea polyphenols>70%,Catechin>50%,EGCG 25-30%,caffein1-11% (5)Tea ... polyphenols>30-50%,Catechin10-40%,EGCG 8-20%,caffein1-10%[Assay ...