... ,High quality [Product Name]Green Tea Extract Polyphenol[Botanical source]Green Tea[Used Part]Leaf[Active ingredient] Tea polyphenol[Specification] (1)Tea polyphenols>98%,Catechin>90 ... %,EGCG 25-30%,caffein1-11% (5)Tea polyphenols>30-50%,Catechin10-40%,EGCG 8-20%,caffein1-10%[Assay]UV[Characters]Light yellow ...