417928.fig.002a
(a)
417928.fig.002b
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417928.fig.002c
(c)
Figure 2: Comparison of cytotoxicty effect of saffron on cell viability of the A549 cells. Morphological changes of cells after 48-hour treatment with different concentrations of saffron (200, 400 μg/mL), (a) untreated A549 cells (b) the A549 cells treated with 200 (μg/mL) saffron and (c) the A549 cells treated with 400 (μg/mL) saffron.