508945.fig.002a
(a)
508945.fig.002b
(b)
508945.fig.002c
(c)
508945.fig.002d
(d)
Figure 2: Typical HPLC chromatograms of stress test samples of the crude extract (CE) and the crude extract + colloidal silicon dioxide (CEA) of Guazuma ulmifolia. (a) CE at time zero; (b) CE at day 21; (c) CEA at time zero; (d) CEA at day 21.