Specification Latin Name : Echinacea purpurea Active Ingredient: Phenolics Use Part :Flower /Root Appearance : Light Brown Powder Particle Size : 80 Mesh Test Method : HPLC Content : 4% phenolic Usage: Echinacea Purpurea P.E. is believed to stimulate the immune system to help fight infections. Less commonly, it has been used for wounds and skin problems, such as acne or boils.