Figure 1.

HPLC chromatogram of standard markers. Peaks: (a) Standard TMF (3′-hydroxy-5,6,7,4′-tetramethoxyflavone), SEN (sinensetin) and EUP (eupatorin). (b): HPLC chromatogram of 50% ethanolic extract of O. stamineus.

Mohamed et al. BMC Complementary and Alternative Medicine 2012 12:176   doi:10.1186/1472-6882-12-176
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