Determination of Major Phenolic Compounds in Echinacea spp. Raw Materials and Finished Products by High-Performance Liquid Chromatography with Ultraviolet Detection: Single-Laboratory Validation Matrix Extension

Author： Brown Paula N.   Chan Michael   Paley Lori   Betz Joseph M.  

Publisher： AOAC International

ISSN： 1944-7922

Source： Journal of AOAC International, Vol.94, Iss.5, 2011-09, pp. : 1400-1410

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