Echinacea purpurea Moench 第1页

Dynamic changes of yield and cichoric acid content in Echinacea purpurea at different harvest time 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 Dynamic changes of yield and cichoric acid content in Echinacea purpurea at different harvest time