Echinacea Purpurea Extract Details Product Name: Echinacea Purpurea Extract  Herb Source: Echinacea purpurea  Part Used: Whole Plant Appearance: Brown Yellow Fine Powder  Active Ingredient: Cichoric Acid, Echinacea Purpurea Polyphenols  Specification: Polyphenol 4%-10%; Chicoric Acid 1%-4%  Test Method: UV, HPLC  Chicoric Acid CAS#: 70831-56-0 Chicoric Acid Molecular Weight & Molecular Formula: C22H18O12; 474.37 Chicoric Acid Structural Formula:  What Is Echinacea Purpurea Extract? Echinacea is an herb which is very …