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. Author manuscript; available in PMC: 2012 Jul 5.
Published in final edited form as: J Chromatogr A. 2011 Jan 19;1218(11):1461–1476. doi: 10.1016/j.chroma.2011.01.033

Fig. 4.

Fig. 4

Selected trend plots of marker compounds for Actaea species. Triple injections for each sample, from first to twenty-seventh injections (labeled “○”) are for black cohosh samples from different locations; From twenty-eighth to fifty-fourth injections (labeled “×”) are for North American species of Actaea other than black cohosh; From fifty-fifth to seventy-eighth injections (labeled “△”) are for Asian species of Actaea.