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. Author manuscript; available in PMC: 2008 Apr 30.
Published in final edited form as: J Med Food. 2007 Sep;10(3):423–434. doi: 10.1089/jmf.2006.257

FIG. 1.

FIG. 1

Effect of Echinacea preparations on the percentages of (A) splenic CD49+ and (B) CD19+ subsets. Male BALB/c mice were orally administered one of three Echinacea preparations, 130 mg/kg daily for 7 consecutive days. The vehicle control mice received an equal volume of 5% ethanol vehicle. Spleen cells were isolated to analyze the expression of the CD49 (NK cell subset) and CD19 (B-cell subset) markers by flow cytometry as described in Materials and Methods. Results are presented as mean ± SE values of two independent experiments (n = 6). *Significant group difference from vehicle control at P < .05.