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Table 4 Cytotoxic activity of M. vulgare essential oil determined by the MTT assay.

From: The in-vitro evaluation of antibacterial, antifungal and cytotoxic properties of Marrubium vulgare L. essential oil grown in Tunisia

Oil (μg/ml) Mean OD570 (nm) % Viable HeLa cell line
0 0.971 100.00
3.91 0.836 86.10
7.81 0.815 83.93
15.63 0.798 82.18
31.25 0.780 80.94
62.50 0.756 77.85
125 0.717 73.84
250 0.707 72.81
500 0.015 01.54
1000 0.031 00.31
3000 0.023 00.21