ABSTRACT
Introduction .................................................................................................................................... 93 Phytochemical Pattern of
Echinacea
Species ........................................................................ 95 Caffeic Acid Derivatives ......................................................................................................... 95 Alkamides ............................................................................................................................... 95
High-Performance Liquid Chromatography (HPLC).................................................................... 96 Phenolic Compounds .............................................................................................................. 96 Alkamides ............................................................................................................................... 99
Micellar Electrokinetic Chromatography .................................................................................... 101 Gas Chromatography-Mass Spectral Analysis............................................................................ 101 HPLC with Ultraviolet and Mass Spectrometric Detection (HPLC-UV-MS)............................ 102 Acknowledgments ........................................................................................................................ 108 References .................................................................................................................................... 108
Preparations of aerial parts and roots from three
Echinacea
species (e.g.,
E. angustifolia
DC., roots,
E. pallida
Nutt., roots and
E. purpurea
Moench, roots and tops) are generally employed
for treatment of cold, flu, and chronic respiratory infections (Grimm and Muller, 1999).
