... Echinacea P.E 1.Polyphenols 2%, 4%UV 2.Chicoric Acid 1%, 2%, 3%, 4% HPLC 3.100% natural ... anti-virus Echinacea P.E1.Polyphenols 2%, 4%UV2.Chicoric Acid 1%, 2%, 3%, 4% HPLC3.good immune activity, ... flowering plant in the genus Echinacea. Polyphenols and Chicoric Acid are two main active ingredients in Echinacea purpurea extract. ... E/Polyphenols/Echinacea Purpure/ Echinacea Purpurea extract/Cichoric acid