... % Polyphenols 7% chicoric acid1%,2%,4% Plant origin: Echinacea PurpureaActive compounds: Polyphenol and Chicoric Acid Appearance: Greenish yellow ... Unlike antibiotics, which are directly lethal to bacteria, Echinacea makes our own immune cells more efficient in attaching ... bacteria, viruses and abnormal cells, including cancer cells. Echinacea, the purple coneflower is the best known and researched ...