An Overview of the Biological Effects of Some Mediterranean Essential Oils on Human Health

Figure 1

Effect of oregano EO on the cell morphology of hepatocarcinoma cell line (HepG2) and health renal cells (HEK293). The photographs were taken at a magnification ×40. Images are representative of three independent experiments. (a) HepG2 (control); (b) HepG2 cells treated with oregano EO (236 μg/μL); (c) HEK293 (control); and (d) HEK293 cells treated with oregano EO (236 μg/μL).

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