Callus Induction and Its Bioactive Ingredient Analysis of Echinacea purpurea Induction of adventitious roots of Echinacea pallida and accumulation of caffeic acid derivatives Studies on pharmacognostical identification of Echinacea angustifolia Lipid Compounds from Echinacea purpurea PRELIMINARY STUDY ON BIOLOGICAL EFFECTS OF ~7Li ION BEAMS ON Echinacea purpurea Cloning of 3-dehydroquinate synthase cDNA Echinacea angusti folia and its tissue expression characteristics Advances in studies on Echinacea Moench. Physiochemical identification of three plants of Echinacea Moench. Studies on the Pollen Morphology of Three Species of Echinacea Moench. Assaying of cichoric acid in introducing plant of Echinacea purpureaa Isolation and purification of cichoric acid from extracts of Echinaceapurpurea by polyamide column chromatography Influence of microfertilizers on yield and seed production of Echinacea purpurea Progress in identification of three plants of Echinacea Moench.and their active constituents and biotechnology Relationship between structure of medicinal fractions and accumulation of polyphenol in Echinaceapurpurea Pharmacognostical studies on identificati on of Echinace apallida Microscopic identification study of western herbs part I: Three Echinacea-species roots Dynamic changes of yield and cichoric acid content in Echinacea purpurea at different harvest time Studies on anti-inflammatory and immunologic enhancement of Kangning granules Dynamic changes of yield and cichoric acid content in Echinacea purpurea at different harvest time