High-performance liquid chromatography echinacea

Glowniak, K., Zgorka, G., and Kozyra, M. 1996. Solid-phase extraction and reversed-phase high-performance liquid chromatography of free phenolic acids in some Echinacea species. J. Chromatogr. A 730, 25-29. [Pg.168]

Luo, X., Chen, B., Yao, S., and Zeng, J. 2003. Simultaneous analysis of caffeic acid derivatives and alkamides in roots and extracts of Echinacea purpurea by high performance liquid chromatography-photodiode array detection-electrospray mass spectrometry. J. Chromatogr. A 986, 73-81. [Pg.169]

Rogers, K.L., Grice, I.D., Mitchell, C.J., and Griffiths, L.R. 1998. High performance liquid chromatography determined alkamide levels in Australian-grown Echinacea spp. Aust. J. Exp. Agric. 38, 403-408. [Pg.171]