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  • Title: Simultaneous analysis of alkamides and caffeic acid derivatives for the identification of Echinacea purpurea, Echinacea angustifolia, Echinacea pallida and Parthenium integrifolium roots.
    Author: Laasonen M, Wennberg T, Harmia-Pulkkinen T, Vuorela H.
    Journal: Planta Med; 2002 Jun; 68(6):572-4. PubMed ID: 12094312.
    Abstract:
    A reversed-phase HPLC method was developed using a computer simulation program for the identification of dried roots of Echinacea purpurea, E. angustifolia, E. pallida and Parthenium integrifolium. Hydrophilic and lipophilic compounds were analysed simultaneously leading to a two-fold decrease in analysis time compared to traditional HPLC methods.
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