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

Figure 1

Representation of the different comet classes in the alkaline (a) and neutral (b) comet assay. Cells were visually scored according to tail length into four classes: (A) class 1: undamaged, with no tail, (B) class 2: with tail shorter than the diameter of the head (nucleus), (C) class 3: with tail as long as 1-2x the diameter of the head, and (D) class 4: with tail longer than 2x the diameter of the head.

(a)

(b)