List of Articles Echinacea purpurea Extract Cichoric acid HPLC Open Access Article Abstract Page Full-Text 1 - Evaluation of Cichoric Acid of Echinacea purpurea Extract under Different Ecological Conditions in Semnan Province Iran Elahe Rostami Bahareh Kashefi Nahid Masoudian 10.22034/jchr.2018.544088