Figure 1.

Results of UPLC-MS analysis of the 3 main compounds of A. pilosa aqueous extract. (a) Chromatogram at 350 nm, (b) mass spectrum of apigenin-hexose ([M-H]-, m/z 449.3) at an RT of 10.62 min, (c) luteolin-glucuronide ([M-H]-, m/z 461.3) at an RT of 11.39 min, and (d) apigenin-glucuronide ([M-H]-, m/z 445.3) at an RT of 12.62 min.

Lee et al. BMC Complementary and Alternative Medicine 2012 12:260   doi:10.1186/1472-6882-12-260
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