Cytotoxicity and Genotoxicity Assessment of Sandalwood Essential Oil in Human Breast Cell Lines MCF-7 and MCF-10A

Figure 4

Alkaline comet assay performed in MCF-7 ((a)–(f)) and MCF-10A ((g)–(l)) cells after exposure to sandalwood essential oil for 24 hours at concentrations of ((b), (h)) 2 µg/mL, ((c), (i)) 4 µg/mL, ((d), (j)) 6 µg/mL, and ((e), (k)) 8 µg/mL. EMS (12 mM) was used as a positive control ((f), (l)). Panels (a) and (g) show untreated cells.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)

(k)

(l)