1. 20%,30%,50% L-Theanine 2. 20%~90% catechins, 3.10%~99% Polyphenols, 4.10%~98% EGCG 5. Free Samples Product Specification: 20%,30%,50% L-Theanine ,30%~90%catechins,10%~90%Polyphenols,>0.5% 0r >10% or >12% Calleine,10%~98% EGCGLatin Name: Camellia sinensis O. Ktze.Product Type:Light Yellow Powdered ExtractPart of the Plant Used: LeafExtract Method: Water/Grain alcoholCAS#: [34271-54-0]Molecular ...