451679.fig.001a
(a)
451679.fig.001b
(b)
451679.fig.001c
(c)
Figure 1: (a) HPLC-DAD chromatogram of SART (detection 210 nm) and betulinic acid at Rt = 8.387 min. (b) HPLC-DAD-ESI-MS (negative mode) chromatogram of SART. Triterpene zone between 5 and 10 min and saponin zone between 30 and 40 min (c) HPLC-DAD-ESI-MS chromatogram of SART: expansion of the saponin zone between 30 and 44 min.